{"id":"anthropic/claude-sonnet-4.5","name":"Claude Sonnet 4.5","owned_by":"anthropic","description":"Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...","context_window":1000000,"max_tokens":64000,"type":"language","tags":["reasoning","tool-use","vision"],"released":1759161676,"modalities":{"input":["text","image","file"],"output":["text"]},"supported_parameters":["include_reasoning","max_completion_tokens","max_tokens","reasoning","response_format","stop","structured_outputs","temperature","tool_choice","tools","top_k","top_p"],"pricing":{"input":"0.000003","output":"0.000015","input_cache_read":"0.0000003","input_cache_write":"0.00000375"},"legal":[{"model":"anthropic/claude-sonnet-4.5","task":"hearsay","suite":"docketrouter-legal-v0.1","mode":"raw","upstream":"openrouter","n":10,"correct":10,"score":1,"latencyMs":3117,"inputTokens":863,"outputTokens":518,"costUsd":0.010359,"ranAt":"2026-08-25T13:03:28.790Z","perItem":[{"id":"h1","answer":"YES\n\nThe passerby's statement \"That car ran the red light\" is being offered to prove the truth of the matter asserted (that the light was red/the car ran a red light). It is an out-of-court statement ","ok":1,"ms":3318},{"id":"h2","answer":"NO","ok":1,"ms":1587},{"id":"h3","answer":"NO","ok":1,"ms":2124},{"id":"h4","answer":"YES\n\nThe letter is an out-of-court statement (written by the sister) offered to prove the truth of the matter asserted (that Bob was in Chicago on March 3). This is hearsay.","ok":1,"ms":3182},{"id":"h5","answer":"NO\n\nThe prior inconsistent statement is not being offered for its truth, but solely to impeach the witness's credibility by showing she said something different before. When used only for impeachment ","ok":1,"ms":3526},{"id":"h6","answer":"YES\n\nThe note is an out-of-court written statement offered to prove the truth of the matter asserted (that the brake line was corroded through). Since the mechanic does not testify, it cannot be teste","ok":1,"ms":3921},{"id":"h7","answer":"NO\n\nThe statement is not being offered for the truth of whether the evening was actually beautiful. It is offered solely to show that the declarant was alive and capable of speaking at 9 p.m. Since it","ok":1,"ms":4116},{"id":"h8","answer":"YES\n\nThe informant's out-of-court statement \"That's Marcus's gun\" is being offered to prove the truth of the matter asserted—that the defendant (Marcus) owned the gun. This is hearsay.","ok":1,"ms":2421},{"id":"h9","answer":"NO\n\nThe statement is not hearsay. It is offered to prove that the defamatory words were spoken (that defendant made the statement), not to prove the truth of the matter asserted (that plaintiff is act","ok":1,"ms":2954},{"id":"h10","answer":"YES\n\nThe seller's statement about the price is an out-of-court statement offered to prove the truth of the matter asserted (that the price was $50,000). This is hearsay within hearsay - both the selle","ok":1,"ms":4016}]},{"model":"anthropic/claude-sonnet-4.5","task":"citation","suite":"docketrouter-legal-v0.1","mode":"raw","upstream":"openrouter","n":8,"correct":0,"score":0,"latencyMs":7281,"inputTokens":1200,"outputTokens":2635,"costUsd":0.043125,"ranAt":"2026-08-25T13:03:42.907Z","perItem":[{"id":"c1","answer":"Looking at each option against Bluebook citation rules:\n\n**Key Bluebook requirements for U.S. Supreme Court cases:**\n- Case names: \"v.\" (not \"vs.\")\n- Reporter: \"U.S.\" (with periods and spaces)\n- Forma","ok":0,"ms":8674},{"id":"c2","answer":"Looking at the proper Bluebook citation format for U.S. Supreme Court cases:\n\nThe correct format is: Case Name, Volume Reporter Page (Year).\n\nFor Miranda v. Arizona:\n- Case name: Miranda v. Arizona\n- ","ok":0,"ms":5731},{"id":"c3","answer":"Looking at this question, I need to identify the correct Bluebook citation format for 28 U.S.C. § 1331, which is the federal question jurisdiction statute.\n\nLet me evaluate each option against Blueboo","ok":0,"ms":9335},{"id":"c4","answer":"To determine the correct Bluebook citation, I need to check the proper format for a U.S. Supreme Court case citation.\n\nThe Bluebook format for a Supreme Court case is:\nCase Name, Volume U.S. Page (Yea","ok":0,"ms":7810},{"id":"c5","answer":"Looking at the Bluebook citation format for Federal Reporter cases, I need to identify the correct format for:\n- Case name\n- Volume number\n- Reporter abbreviation\n- Page number\n- Court and year\n\nLet m","ok":0,"ms":6812},{"id":"c6","answer":"Looking at the Bluebook citation format for Federal Rules of Civil Procedure:\n\nAccording to Bluebook Rule 12.9.3, the correct abbreviation for Federal Rules of Civil Procedure is \"Fed. R. Civ. P.\" (no","ok":0,"ms":5233},{"id":"c7","answer":"Looking at this question, I need to identify the correct Bluebook citation format for this Supreme Court case.\n\nLet me analyze each option:\n\n**Option A: Bell Atl. Corp. v. Twombly, 550 U.S. 544 (2007)","ok":0,"ms":8881},{"id":"c8","answer":"Looking at the proper Bluebook format for pinpoint citations to U.S. Supreme Court cases:\n\nThe correct format is: Case Name, Volume Reporter Page, Pinpoint (Year).\n\nLet me evaluate each option:\n\n**A. ","ok":0,"ms":5769}]},{"model":"anthropic/claude-sonnet-4.5","task":"procedure","suite":"docketrouter-legal-v0.1","mode":"raw","upstream":"openrouter","n":12,"correct":12,"score":1,"latencyMs":2898,"inputTokens":991,"outputTokens":60,"costUsd":0.0038729999999999997,"ranAt":"2026-08-25T13:03:49.198Z","perItem":[{"id":"p1","answer":"21","ok":1,"ms":2829},{"id":"p2","answer":"56","ok":1,"ms":3152},{"id":"p3","answer":"90","ok":1,"ms":3732},{"id":"p4","answer":"25","ok":1,"ms":3219},{"id":"p5","answer":"30","ok":1,"ms":2891},{"id":"p6","answer":"23","ok":1,"ms":3211},{"id":"p7","answer":"11","ok":1,"ms":2612},{"id":"p8","answer":"7","ok":1,"ms":3197},{"id":"p9","answer":"26","ok":1,"ms":2362},{"id":"p10","answer":"8","ok":1,"ms":2066},{"id":"p11","answer":"60","ok":1,"ms":2940},{"id":"p12","answer":"28","ok":1,"ms":2559}]},{"model":"anthropic/claude-sonnet-4.5","task":"limitations","suite":"docketrouter-legal-v0.1","mode":"raw","upstream":"openrouter","n":8,"correct":4,"score":0.5,"latencyMs":3575,"inputTokens":747,"outputTokens":747,"costUsd":0.013446,"ranAt":"2026-08-25T13:03:56.183Z","perItem":[{"id":"l1","answer":"TIMELY","ok":1,"ms":1937},{"id":"l2","answer":"UNTIMELY\n\nThe two-year limitations period expired on March 10, 2024. The suit filed on March 11, 2024 was one day late.","ok":1,"ms":3015},{"id":"l3","answer":"TIMELY\n\nThe limitations period runs from July 1, 2020 to July 1, 2024 (four years). The suit was filed on June 30, 2024, which is one day before the limitations period expired.","ok":1,"ms":2355},{"id":"l4","answer":"The limitations period begins on November 20, 2022 (when plaintiff discovered or reasonably should have discovered the injury). Adding one year from that date gives a deadline of November 20, 2023. Th","ok":0,"ms":3764},{"id":"l5","answer":"I need to calculate whether the suit filed on March 1, 2023 falls within the three-year limitations period from the injury date of February 29, 2020.\n\nThe injury occurred on February 29, 2020 (a leap ","ok":0,"ms":5336},{"id":"l6","answer":"TIMELY\n\nThe injury occurred on February 29, 2020. The three-year limitations period expires on February 28, 2023 (since 2023 is not a leap year, the anniversary date corresponds to February 28). The s","ok":1,"ms":3947},{"id":"l7","answer":"Looking at this step-by-step:\n\n**Accrual date:** May 1, 2021\n\n**Base limitations period:** 2 years from accrual = May 1, 2023\n\n**Tolling:** 90 days added to the deadline\nMay 1, 2023 + 90 days = July 3","ok":0,"ms":3615},{"id":"l8","answer":"Looking at this step-by-step:\n\n1. Accrual date: May 1, 2021\n2. Base limitations period: 2 years\n3. Normal expiration date (without tolling): May 1, 2023\n4. Tolling: 90 days added to the limitations pe","ok":0,"ms":4629}]},{"model":"anthropic/claude-sonnet-4.5","task":"clause","suite":"docketrouter-legal-v0.1","mode":"raw","upstream":"openrouter","n":12,"correct":12,"score":1,"latencyMs":2874,"inputTokens":1355,"outputTokens":80,"costUsd":0.005265000000000001,"ranAt":"2026-08-25T13:04:03.031Z","perItem":[{"id":"k1","answer":"Governing Law","ok":1,"ms":2488},{"id":"k2","answer":"Non-Compete","ok":1,"ms":2729},{"id":"k3","answer":"Indemnification","ok":1,"ms":2594},{"id":"k4","answer":"Limitation of Liability","ok":1,"ms":2815},{"id":"k5","answer":"Confidentiality","ok":1,"ms":3344},{"id":"k6","answer":"Termination","ok":1,"ms":3484},{"id":"k7","answer":"Assignment","ok":1,"ms":3091},{"id":"k8","answer":"Force Majeure","ok":1,"ms":2434},{"id":"k9","answer":"Limitation of Liability","ok":1,"ms":2858},{"id":"k10","answer":"Indemnification","ok":1,"ms":2313},{"id":"k11","answer":"Termination","ok":1,"ms":2981},{"id":"k12","answer":"Confidentiality","ok":1,"ms":3362}]},{"model":"anthropic/claude-sonnet-4.5","task":"hallucination","suite":"docketrouter-legal-v0.1","mode":"raw","upstream":"openrouter","n":12,"correct":6,"score":0.5,"latencyMs":4630,"inputTokens":1100,"outputTokens":1296,"costUsd":0.02274,"ranAt":"2026-08-25T13:04:16.032Z","perItem":[{"id":"x1","answer":"REAL","ok":1,"ms":2039},{"id":"x2","answer":"I need to verify whether this citation corresponds to a real Supreme Court case.\n\nLet me consider what I know about U.S. Reports volume 578:\n- Volume 578 U.S. would contain cases from around 2016\n- Th","ok":0,"ms":6568},{"id":"x3","answer":"REAL","ok":1,"ms":3175},{"id":"x4","answer":"I need to verify whether this is a real Supreme Court case citation.\n\nLet me analyze this citation:\n- 519 U.S. 1188 (1997)\n- The citation format appears correct for a U.S. Supreme Court case\n- Volume ","ok":0,"ms":6400},{"id":"x5","answer":"REAL","ok":1,"ms":1839},{"id":"x6","answer":"I need to verify whether this citation corresponds to a real reported decision.\n\nLet me analyze this citation:\n- **Varghese v. China Southern Airlines Co.**\n- **925 F.3d 1339**\n- **(11th Cir. 2019)**\n","ok":0,"ms":7840},{"id":"x7","answer":"REAL","ok":1,"ms":3040},{"id":"x8","answer":"I need to verify whether this citation corresponds to a real reported decision from the 7th Circuit Court of Appeals.\n\nLet me consider what I know about this citation:\n- 612 F.3d 904 would be in the F","ok":0,"ms":6465},{"id":"x9","answer":"REAL","ok":1,"ms":2935},{"id":"x10","answer":"I need to verify whether this California Court of Appeal citation is real.\n\nLet me consider what I know:\n- The citation format appears correct for California Court of Appeal (Cal. App. 5th is the Fift","ok":0,"ms":5789},{"id":"x11","answer":"REAL","ok":1,"ms":2866},{"id":"x12","answer":"I need to verify if this is a real Supreme Court case citation.\n\nLet me analyze this citation:\n- 601 U.S. 1244 (2024)\n- United States v. Castellanos-Reyes\n\nKey considerations:\n1. The citation format a","ok":0,"ms":6599}]},{"model":"anthropic/claude-sonnet-4.5","task":"hearsay","suite":"docketrouter-legal-v0.1","mode":"juiced","upstream":"openrouter","n":10,"correct":10,"score":1,"latencyMs":4487,"inputTokens":21867,"outputTokens":1272,"costUsd":0.084681,"ranAt":"2026-08-25T13:12:26.477Z","perItem":[{"id":"h1","answer":"YES\n\nThe passerby's statement \"That car ran the red light\" is hearsay under Fed. R. Evid. 801(c). It is:\n\n1. A statement (an oral assertion by the passerby, Fed. R. Evid. 801(a));\n2. Made by a declarant (the passerby) not testifying at the current trial (Fed. R. Evid. 801(c)(1)); and\n3. Offered to prove the truth of the matter asserted—that the light was in fact red (Fed. R. Evid. 801(c)(2)).\n\nThe bystander is testifying about what someone else said out of court, and the plaintiff is offering it to prove the light actually was red, which is exactly what the passerby asserted. This is classic hearsay.","ok":1,"ms":5133},{"id":"h2","answer":"NO\n\nThe statement is not hearsay because it is not offered to prove the truth of the matter asserted (that the ceiling was actually leaking). Under Fed. R. Evid. 801(c), hearsay is a statement offered \"to prove the truth of the matter asserted in the statement.\" Here, the statement is offered only to show the landlord had notice—that he heard the words—not to prove the ceiling was actually leaking. When a statement is offered to show its effect on the listener (notice, knowledge, motive), rather than for its truth, it falls outside the hearsay definition.","ok":1,"ms":4922},{"id":"h3","answer":"NO\n\nThe defendant's statement \"I accept your offer\" is legally operative conduct—words that have independent legal significance in forming a contract. Under Fed. R. Evid. 801(c), hearsay is a statement offered \"to prove the truth of the matter asserted.\" Here, the statement is not offered for its truth but to show that the words of acceptance were spoken, which itself creates the legal effect of contract formation. Verbal acts like this fall outside the hearsay definition.","ok":1,"ms":4867},{"id":"h4","answer":"YES\n\nThe letter is hearsay under Fed. R. Evid. 801(c). It is a written assertion by the sister (the declarant) made out of court, and the prosecution is offering it to prove the truth of the matter asserted—that Bob was in Chicago on March 3. The sister is not testifying at trial and subject to cross-examination about the statement.","ok":1,"ms":3346},{"id":"h5","answer":"NO\n\nThe deposition statement is not hearsay because it is offered solely to impeach credibility, not to prove the truth of the matter asserted in the prior statement. Fed. R. Evid. 801(c) defines hearsay as a statement offered \"to prove the truth of the matter asserted.\" When a prior inconsistent statement is used only to show the witness is not credible (because she has said different things at different times), it falls outside the hearsay definition.\n\nAdditionally, Fed. R. Civ. P. 32(a)(2) explicitly permits any party to \"use a deposition to contradict or impeach the testimony given by the deponent as a witness.\" Fed. R. Evid. 607 confirms that any party may attack a witness's credibility.","ok":1,"ms":4577},{"id":"h6","answer":"YES\n\nThe note is hearsay under Fed. R. Evid. 801(c). It is an out-of-court written assertion by the mechanic (the declarant) offered to prove the truth of the matter asserted—that the rear brake line was in fact corroded through. The mechanic does not testify, so the statement was not made \"while testifying at the current trial or hearing.\" No hearsay exception from the retrieved authorities clearly applies on these facts (the mechanic is not shown to be unavailable for Rule 804, and while Rule 803(6) covers business records, we lack foundation facts about regular business activity here).","ok":1,"ms":5124},{"id":"h7","answer":"NO\n\nThe statement is not hearsay. Under Fed. R. Evid. 801(c), hearsay is a statement offered \"to prove the truth of the matter asserted in the statement.\" Here, the declarant's statement \"What a beautiful evening\" is not offered to prove that the evening was actually beautiful. It is offered solely to prove that the declarant was alive and capable of speaking at 9 p.m. Because the statement is not offered for its truth, it falls outside the definition of hearsay.","ok":1,"ms":4711},{"id":"h8","answer":"YES\n\nThe informant's out-of-court statement \"That's Marcus's gun\" is being offered to prove the truth of the matter asserted—that the defendant (Marcus) owned the gun. Under Fed. R. Evid. 801(c), this is hearsay: a statement the declarant does not make while testifying at the current trial, offered in evidence to prove the truth of the matter asserted in the statement.","ok":1,"ms":4239},{"id":"h9","answer":"NO\n\nThe statement is not hearsay. Under Fed. R. Evid. 801(c), hearsay is a statement offered \"to prove the truth of the matter asserted in the statement.\" Here, the plaintiff offers the defendant's words (\"Plaintiff is a thief\") to prove that the defamatory words were spoken—not to prove that plaintiff actually is a thief. Because the statement is not offered for its truth, it falls outside the definition of hearsay.","ok":1,"ms":3567},{"id":"h10","answer":"YES\n\nThe seller's statement \"the price was $50,000\" is an out-of-court statement offered to prove the truth of the matter asserted (that the price was indeed $50,000). Under Fed. R. Evid. 801(c), this is hearsay. The fact that it is relayed through a third party's email creates a double hearsay problem, but the seller's underlying statement itself is hearsay when offered for this purpose.","ok":1,"ms":4380}]},{"model":"anthropic/claude-sonnet-4.5","task":"citation","suite":"docketrouter-legal-v0.1","mode":"juiced","upstream":"openrouter","n":8,"correct":8,"score":1,"latencyMs":7461,"inputTokens":24330,"outputTokens":2665,"costUsd":0.11296500000000001,"ranAt":"2026-08-25T13:12:42.488Z","perItem":[{"id":"c1","answer":"Looking at each option against Bluebook citation rules:\n\n**Option A: Brown v. Board of Education, 347 US 483 (1954).**\n- Missing periods in \"U.S.\" (should be \"U.S.\" not \"US\")\n- Incorrect\n\n**Option B: Brown v. Bd. of Educ., 347 U.S. 483 (1954).**\n- Proper case name abbreviation (\"Bd.\" and \"Educ.\" are standard Bluebook abbreviations)\n- Correct \"v.\" (not \"vs.\")\n- Proper \"U.S.\" with periods\n- Correct reporter citation format: volume, reporter, page\n- Correct year in parentheses\n- This follows Bluebook format\n\n**Option C: Brown vs. Board of Education, 483 U.S. 347 (1954).**\n- Uses \"vs.\" instead of \"v.\" (incorrect)\n- Reporter citation is backwards (483 U.S. 347 instead of 347 U.S. 483)\n- Incorrect\n\n**Option D: Brown v. Bd. of Educ., U.S. 347, 483 (1954).**\n- Reporter citation format is completely wrong\n- Should be: [volume] [reporter] [page], not [reporter] [volume], [page]\n- Incorrect\n\n**Answer: B**","ok":1,"ms":6875},{"id":"c2","answer":"Looking at the Bluebook citation format for U.S. Supreme Court cases:\n\nThe correct format is: Case Name, Volume Reporter Page (Year).\n\nAnalyzing each option:\n\n**A. Miranda v. Arizona, 384 U.S. 436, 1966.**\n- Incorrect: Uses a comma before the year instead of parentheses, and ends with a period after the year.\n\n**B. Miranda v. Arizona (1966) 384 U.S. 436.**\n- Incorrect: Places the year before the reporter citation (California style), not Bluebook format.\n\n**C. Miranda v. Arizona, 384 U.S. 436 (1966).**\n- Correct: Follows proper Bluebook format with case name, comma, volume, reporter, page, and year in parentheses.\n\n**D. Miranda v. Arizona, 436 U.S. 384 (1966).**\n- Incorrect: Reverses the volume and page numbers (should be 384 U.S. 436, not 436 U.S. 384).\n\n**C**","ok":1,"ms":6703},{"id":"c3","answer":"Looking at this question, I need to identify the correct Bluebook citation format for the federal question statute.\n\nThe federal question statute is codified at 28 U.S.C. § 1331.\n\nAccording to Bluebook Rule 12 (governing statutory citations):\n- The title number comes first\n- Followed by the abbreviated code name (U.S.C.)\n- Then the section symbol (§)\n- Then a space\n- Then the section number\n\nLet me evaluate each option:\n\n**A. 28 U.S.C. § 1331.**\n- Correct spacing between § and the section number\n- Proper abbreviation with periods (U.S.C.)\n- No date parenthetical (which is correct for the current main edition of the U.S.C.)\n- Period at the end (proper citation sentence format)\n\n**B. 28 USC 1331.**\n- Missing periods in \"USC\" (should be \"U.S.C.\")\n- This violates Bluebook format\n\n**C. 28 U.S.C. §1331 (2024 ed.).**\n- Missing space between § and 1331\n- Unnecessary date parenthetical (Bluebook Rule 12.3.2 states dates are generally omitted for current official editions)\n\n**D. Title 28, § 1331 U.S.C.**\n- Incorrect word order (U.S.C. should come before the section symbol)\n- Uses \"Title\" instead of just the number\n- Not proper Bluebook format\n\n**Answer: A**","ok":1,"ms":8763},{"id":"c4","answer":"Looking at this Bluebook citation question, I need to identify the correct format for citing this landmark Supreme Court case.\n\nThe Bluebook rules for citing U.S. Supreme Court cases require:\n1. Case name with proper abbreviations\n2. Volume number\n3. Reporter abbreviation (U.S.)\n4. First page number\n5. Year in parentheses\n6. Period at the end\n\nLet me evaluate each option:\n\n**Option A:** Erie Railroad Co. v. Tompkins, 304 U.S. 64 (1938)\n- \"Railroad\" should be abbreviated as \"R.R.\" per Bluebook Table T6\n- Missing final period\n- Incorrect\n\n**Option B:** Erie R.R. Co. v. Tompkins, 64 U.S. 304 (1938).\n- Volume and page numbers are reversed (should be 304 U.S. 64, not 64 U.S. 304)\n- The retrieved authorities consistently reference \"304 U.S. 64\"\n- Incorrect\n\n**Option C:** Erie R.R. Co. v. Tompkins, 304 U.S. 64, 1938.\n- Uses comma before year instead of parentheses\n- Bluebook requires parentheses around the year\n- Incorrect\n\n**Option D:** Erie R.R. Co. v. Tompkins, 304 U.S. 64 (1938).\n- Proper abbreviation of \"R.R.\"\n- Correct volume and page (304 U.S. 64)\n- Year in parentheses\n- Final period\n- Correct format\n\n**D**","ok":1,"ms":7900},{"id":"c5","answer":"Looking at the Bluebook citation format for a Federal Reporter case, I need to identify the correct format among the options.\n\nThe proper Bluebook citation format for a case includes:\n- Case name in italics\n- Volume number\n- Reporter abbreviation with proper spacing\n- Page number\n- Court and year in parentheses\n\nAnalyzing each option:\n\n**A. Smith v. Jones, 123 F3d 456 (9th Cir. 1997).**\n- Missing the period between \"F\" and \"3d\" → should be \"F.3d\"\n\n**B. Smith v. Jones, 123 F.3d 456 (9th Cir. 1997).**\n- Correct spacing: \"F.3d\" with periods\n- Correct court abbreviation: \"9th Cir.\"\n- Court and year properly in same parentheses\n\n**C. Smith v. Jones, 123 F.3d 456 (Ninth Circuit 1997).**\n- Court should be abbreviated as \"9th Cir.\" not spelled out as \"Ninth Circuit\"\n\n**D. Smith v. Jones, 123 F.3d 456 (9th Cir.) (1997).**\n- Court and year should be in the same parentheses, not separated\n\n**B**","ok":1,"ms":6578},{"id":"c6","answer":"Looking at the retrieved authorities above, I can see the consistent citation format used throughout the Federal Rules themselves.\n\nEvery citation in the retrieved text uses the format \"Fed. R. Civ. P.\" - for example:\n- \"Fed. R. Civ. P. 81\"\n- \"Fed. R. Civ. P. 12\"\n- \"Federal Rule of Civil Procedure 77(d)\" (when spelled out, but abbreviated as \"Fed. R. Civ. P.\" in citations)\n\nSimilarly, for appellate and criminal rules:\n- \"Fed. R. App. P. 4\"\n- \"Federal Rule of Criminal Procedure 35(a)\"\n\nThe Bluebook format for Federal Rules of Civil Procedure is \"Fed. R. Civ. P.\" followed by the rule number (no section symbol).\n\nEvaluating the options:\n- A uses \"F.R.C.P.\" - incorrect abbreviation\n- B uses \"Fed. R. Civ. Proc.\" - incorrect (should be \"P.\" not \"Proc.\")\n- C uses \"Fed. R. Civ. P. 12(b)(6)\" - correct format\n- D spells out the full name and uses a section symbol - incorrect format\n\n**C**","ok":1,"ms":6745},{"id":"c7","answer":"Looking at this Bluebook citation question, I need to identify the correct format for citing this Supreme Court case.\n\nLet me analyze each option:\n\n**Option A: Bell Atl. Corp. v. Twombly, 550 U.S. 544 (2007).**\n- Uses abbreviated party name \"Bell Atl. Corp.\"\n- Proper U.S. Reports citation format with periods\n- Correct parenthetical with year only\n- Proper punctuation throughout\n\n**Option B: Bell Atlantic Corp. v. Twombly, 550 U.S. 544 (2007).**\n- Spells out \"Atlantic\" in full\n- Bluebook Rule 10.2.1(c) requires abbreviating widely known acronyms in case names\n- \"Bell Atlantic Corporation\" should be abbreviated to \"Bell Atl. Corp.\"\n\n**Option C: Bell Atl. Corp. v. Twombly, 550 U.S. 544 (S. Ct. 2007).**\n- Incorrectly includes \"S. Ct.\" in the parenthetical\n- When citing to U.S. Reports, only the year appears in the parenthetical (Bluebook Rule 10.4(a))\n- \"S. Ct.\" would only be used if citing to the Supreme Court Reporter instead of U.S. Reports\n\n**Option D: Bell Atl. Corp. v. Twombly, 550 US 544 (2007).**\n- Missing periods in \"U.S.\"\n- Bluebook Rule 6.1(a) requires \"U.S.\" with periods for United States Reports\n\nThe correct citation follows Bluebook rules by abbreviating \"Atlantic\" to \"Atl.\", using proper spacing and periods in \"U.S.\", and including only the year in the parenthetical.\n\n**A**","ok":1,"ms":9415},{"id":"c8","answer":"Looking at the Bluebook format for pinpoint citations to U.S. Supreme Court cases:\n\nThe correct format is: Case Name, Volume Reporter Page, Pinpoint (Year).\n\nFor a pinpoint citation, you place a comma after the initial page number, then the pinpoint page number, then the parenthetical with the year.\n\nAnalyzing each option:\n\n**A. Ashcroft v. Iqbal, 556 U.S. 662 at 678 (2009).**\n- Incorrect: Uses \"at\" before the pinpoint, which is not proper Bluebook format.\n\n**B. Ashcroft v. Iqbal, 556 U.S. 662, p. 678 (2009).**\n- Incorrect: Uses \"p.\" before the pinpoint, which is not used in Bluebook citation format.\n\n**C. Ashcroft v. Iqbal, 556 U.S. 662 (2009), 678.**\n- Incorrect: Places the pinpoint after the year parenthetical, which violates Bluebook format.\n\n**D. Ashcroft v. Iqbal, 556 U.S. 662, 678 (2009).**\n- Correct: Follows proper Bluebook format with comma after the initial page, then the pinpoint page, then the year in parentheses.\n\n**D**","ok":1,"ms":6708}]},{"model":"anthropic/claude-sonnet-4.5","task":"procedure","suite":"docketrouter-legal-v0.1","mode":"juiced","upstream":"openrouter","n":12,"correct":12,"score":1,"latencyMs":2981,"inputTokens":30773,"outputTokens":60,"costUsd":0.093219,"ranAt":"2026-08-25T13:12:49.131Z","perItem":[{"id":"p1","answer":"21","ok":1,"ms":2252},{"id":"p2","answer":"56","ok":1,"ms":2723},{"id":"p3","answer":"90","ok":1,"ms":2896},{"id":"p4","answer":"25","ok":1,"ms":3635},{"id":"p5","answer":"30","ok":1,"ms":3308},{"id":"p6","answer":"23","ok":1,"ms":3785},{"id":"p7","answer":"11","ok":1,"ms":3191},{"id":"p8","answer":"7","ok":1,"ms":2436},{"id":"p9","answer":"26","ok":1,"ms":3177},{"id":"p10","answer":"8","ok":1,"ms":3328},{"id":"p11","answer":"60","ok":1,"ms":2426},{"id":"p12","answer":"28","ok":1,"ms":2611}]},{"model":"anthropic/claude-sonnet-4.5","task":"limitations","suite":"docketrouter-legal-v0.1","mode":"juiced","upstream":"openrouter","n":8,"correct":7,"score":0.875,"latencyMs":4744,"inputTokens":21202,"outputTokens":1161,"costUsd":0.081021,"ranAt":"2026-08-25T13:13:56.871Z","perItem":[{"id":"l1","answer":"# Analysis\n\nThe limitations period is **two years** from the date of injury.\n\n- **Injury date:** March 10, 2022\n- **Limitations period expires:** March 10, 2024\n- **Suit filed:** March 9, 2024\n\nMarch 9, 2024 is **before** the expiration of the two-year period on March 10, 2024.\n\n# Answer\n\n**TIMELY**","ok":1,"ms":3905},{"id":"l2","answer":"# Analysis\n\nThe two-year limitations period began running on **March 10, 2022** (date of injury).\n\nCounting forward two years:\n- March 10, 2022 → March 10, 2024 (last day to file)\n\nThe suit was filed on **March 11, 2024** — one day after the limitations period expired.\n\nUnder the general rule that a limitations period is computed by excluding the first day (the triggering event) and including the last day, the deadline here was March 10, 2024. Filing on March 11, 2024 is after the period expired.\n\n**UNTIMELY**","ok":1,"ms":4742},{"id":"l3","answer":"TIMELY","ok":1,"ms":3096},{"id":"l4","answer":"UNTIMELY\n\nThe limitations period began running on November 20, 2022 (the discovery date). A one-year limitations period from that date expired on November 20, 2023. The suit filed on October 1, 2023 was before the limitations period expired, making it timely filed within the one-year window.\n\nWait - let me recalculate: November 20, 2022 + one year = November 20, 2023. October 1, 2023 is *before* November 20, 2023.\n\nTIMELY","ok":0,"ms":3990},{"id":"l5","answer":"# Analysis\n\n**Injury date:** February 29, 2020  \n**Filing date:** March 1, 2023  \n**Limitations period:** 3 years from date of injury\n\n## Calculation\n\nFrom February 29, 2020 + 3 years = **February 29, 2023**\n\nHowever, 2023 is not a leap year, so February 29, 2023 does not exist.\n\nUnder the common-law anniversary method applied in most U.S. jurisdictions, when a limitations period is measured in years and the triggering date falls on February 29 in a leap year, the limitations period expires on February 28 of the non-leap year (the last day of the corresponding month).\n\n**Deadline:** February 28, 2023  \n**Filing:** March 1, 2023\n\nThe suit was filed **one day late**.\n\n---\n\n**UNTIMELY**","ok":1,"ms":5778},{"id":"l6","answer":"# Analysis\n\nThe question asks whether a suit filed on February 28, 2023 is timely when the injury occurred on February 29, 2020, and a three-year limitations period applies.\n\n## Calculation\n\n- **Injury date:** February 29, 2020 (a leap year)\n- **Three-year period expires:** February 29, 2023\n- **Problem:** 2023 is not a leap year; there is no February 29, 2023\n- **Filing date:** February 28, 2023\n\n## Legal Principle\n\nUnder the common law and widely-adopted statutory rules (including the computation rules in Fed. R. Civ. P. 6, though that rule governs procedural deadlines rather than statutes of limitations), when a limitations period would expire on a date that does not exist (such as February 29 in a non-leap year), the deadline typically falls on the last day of the month—here, February 28, 2023.\n\nThe suit filed on February 28, 2023 would therefore be filed on the last possible day.\n\n**Note:** The retrieved authorities above address appellate filing deadlines and injunctions, not statutes of limitations computation. This answer applies general timing principles. State law may vary on limitations-period computation.\n\n---\n\n**TIMELY**","ok":1,"ms":7840},{"id":"l7","answer":"# Analysis\n\n**Accrual date:** May 1, 2021\n\n**Limitations period:** 2 years\n\n**Normal expiration (without tolling):** May 1, 2023\n\n**Tolling:** 90 days added to the limitations period\n\n**Extended deadline:** May 1, 2023 + 90 days = July 30, 2023\n\n**Filing date:** August 15, 2023\n\nAugust 15, 2023 is **after** July 30, 2023.\n\n---\n\n**UNTIMELY**","ok":1,"ms":4564},{"id":"l8","answer":"# Analysis\n\n**Accrual date:** May 1, 2021\n\n**Limitations period:** 2 years\n\n**Normal expiration (without tolling):** May 1, 2023\n\n**Tolling:** 90 days added to the limitations period\n\n**Extended deadline:** May 1, 2023 + 90 days = July 30, 2023\n\n**Suit filed:** July 15, 2023\n\nJuly 15, 2023 falls before the tolling-extended deadline of July 30, 2023.\n\n**TIMELY**","ok":1,"ms":4039}]},{"model":"anthropic/claude-sonnet-4.5","task":"clause","suite":"docketrouter-legal-v0.1","mode":"juiced","upstream":"openrouter","n":12,"correct":12,"score":1,"latencyMs":3842,"inputTokens":28932,"outputTokens":1019,"costUsd":0.102081,"ranAt":"2026-08-25T13:14:09.067Z","perItem":[{"id":"k1","answer":"**Governing Law**\n\nThis clause specifies which jurisdiction's substantive law will apply to interpret and enforce the agreement, making it a choice-of-law or governing law provision.","ok":1,"ms":2409},{"id":"k2","answer":"# Answer\n\n**Non-Compete**\n\nThis clause restricts the consultant from engaging in competitive business activities during the contract term and for 18 months after, which is the defining characteristic of a non-compete provision.","ok":1,"ms":2567},{"id":"k3","answer":"# Answer\n\n**Indemnification**\n\n# Explanation\n\nThis clause requires the Supplier to defend, indemnify, and hold harmless the Buyer against third-party patent infringement claims related to the Products. The core obligation is indemnification—the Supplier assumes financial and legal responsibility for specified losses arising from third-party claims. While the clause addresses intellectual property infringement, its primary function is to allocate risk and liability between the contracting parties through an indemnification mechanism.","ok":1,"ms":4206},{"id":"k4","answer":"# Analysis\n\nThis clause contains two distinct liability limitations:\n\n1. **Exclusion of indirect, incidental, special, and consequential damages** - a qualitative limitation on the types of damages recoverable\n2. **Cap on aggregate liability** (not to exceed fees paid in the twelve months preceding the claim) - a quantitative limitation on the total amount recoverable\n\nBoth components are classic liability limitation provisions commonly found in commercial contracts.\n\nWhile the retrieved authorities discuss fee awards, costs, and procedural matters under the Federal Rules of Civil Procedure, they do not govern the substantive contract law question of how parties may contractually limit their liability to one another. This is a matter of contract interpretation and enforceability under applicable state or governing law.\n\nThe clause directly addresses the scope and extent of liability that parties may face under the agreement - the defining characteristic of a limitation of liability provision.\n\n# Answer\n\n**Limitation of Liability**","ok":1,"ms":6780},{"id":"k5","answer":"**Confidentiality**\n\nThis clause imposes obligations to maintain secrecy of proprietary information and restricts disclosure to third parties—the hallmark of a confidentiality provision.","ok":1,"ms":3300},{"id":"k6","answer":"# Answer\n\n**Termination**\n\n# Explanation\n\nThis clause establishes the conditions under which either party may end the contractual relationship. It specifies:\n\n1. **Termination right** – Either party may terminate\n2. **Notice requirement** – Thirty (30) days' written notice\n3. **Triggering event** – Material breach by the other party\n4. **Cure period** – The breaching party has the notice period to remedy the breach\n\nThis is a standard termination-for-cause provision that falls squarely within the **Termination** category, as it governs how and when the agreement may be ended by the parties.","ok":1,"ms":5783},{"id":"k7","answer":"# Answer\n\n**Assignment**\n\n# Explanation\n\nThis clause directly governs the ability of parties to assign or transfer their rights and obligations under the agreement to third parties. It establishes:\n\n1. A general prohibition on assignment without consent\n2. An exception for successors in merger/asset sale transactions\n\nThis is a classic assignment provision that controls when and how contractual rights may be transferred, making **Assignment** the correct category.","ok":1,"ms":4163},{"id":"k8","answer":"**Force Majeure**\n\nThis clause excuses performance obligations when extraordinary events beyond a party's reasonable control prevent or delay performance. The enumerated examples—acts of God, war, terrorism, labor disputes, and governmental action—are classic force majeure triggers that temporarily suspend contractual duties without breach.","ok":1,"ms":3014},{"id":"k9","answer":"**Limitation of Liability**\n\nThis clause caps the licensor's aggregate exposure at $100 for all claims under the agreement. It is a classic limitation-of-liability provision that sets a monetary ceiling on recoverable damages, regardless of the number or nature of claims asserted.","ok":1,"ms":3487},{"id":"k10","answer":"**Indemnification**\n\nThis clause requires Customer to reimburse/protect Provider for claims and costs (including attorneys' fees) arising from Customer's unlawful use of services—the hallmark of an indemnification provision.","ok":1,"ms":3422},{"id":"k11","answer":"# Analysis\n\nThis clause addresses what happens to the agreement when either party files for bankruptcy or has a bankruptcy petition filed against them. Specifically, it provides that the agreement will end automatically if a bankruptcy petition is filed and not dismissed within 60 days.\n\nThis provision establishes a condition under which the contractual relationship comes to an end.\n\n# Answer\n\n**Termination**","ok":1,"ms":3821},{"id":"k12","answer":"**Confidentiality**\n\nThis clause protects the Company's proprietary information (customer lists, pricing data, product roadmaps) by restricting the employee's use and disclosure both during and after employment. It fits squarely within the **Confidentiality** category, as it creates obligations to maintain secrecy of specified business information characterized as trade secrets.","ok":1,"ms":3149}]},{"model":"anthropic/claude-sonnet-4.5","task":"hallucination","suite":"docketrouter-legal-v0.1","mode":"juiced","upstream":"openrouter","n":12,"correct":12,"score":1,"latencyMs":3404,"inputTokens":41266,"outputTokens":217,"costUsd":0.127053,"ranAt":"2026-08-25T13:14:19.971Z","perItem":[{"id":"x1","answer":"REAL","ok":1,"ms":4034},{"id":"x2","answer":"FAKE\n\nThe citation 578 U.S. 1201 (2016) was checked against CourtListener and returned NOT_FOUND. Volume 578 of the U.S. Reports would contain Supreme Court decisions from the 2016 term, but this specific citation could not be verified as a real reported decision. Without independent verification of its existence in the official reports, I cannot confirm this is a genuine case citation.","ok":1,"ms":4421},{"id":"x3","answer":"REAL","ok":1,"ms":3224},{"id":"x4","answer":"FAKE","ok":1,"ms":3600},{"id":"x5","answer":"REAL","ok":1,"ms":3201},{"id":"x6","answer":"FAKE","ok":1,"ms":3493},{"id":"x7","answer":"REAL","ok":1,"ms":2540},{"id":"x8","answer":"FAKE","ok":1,"ms":2692},{"id":"x9","answer":"REAL","ok":1,"ms":4468},{"id":"x10","answer":"FAKE\n\nThe citation verification explicitly states that 88 Cal. App. 5th 1402 was \"NOT_FOUND\" in CourtListener. Additionally, none of the retrieved federal authorities mention this case. Without independent verification that this California Court of Appeal decision exists, I cannot confirm it as a real reported decision.","ok":1,"ms":3179},{"id":"x11","answer":"REAL","ok":1,"ms":3025},{"id":"x12","answer":"FAKE","ok":1,"ms":2975}]}]}