Model record

Claude Opus 4.5

reasoning

Anthropic · released Nov 24, 2025

Overall standing

Overall
48.3rank 34 of 63
48.3 is at approximately the 47th percentile of the ranked Overall field. The field spans 19.0 to 62.2, with a median of 49.4.
6 of 8 measured · 2 estimated
Category standingsReasoning 61.7Coding 57.2Math 4.6Agentic 20.3
Reasoning
61.7rank 40 of 63
61.7 is at approximately the 37th percentile of the ranked Reasoning field. The field spans 31.6 to 73.3, with a median of 65.0.
4 of 4 measured
Coding
57.2rank 27 of 63
57.2 is at approximately the 58th percentile of the ranked Coding field. The field spans 10.4 to 72.4, with a median of 54.5.
1 of 2 measured · 1 estimated
Math
4.6rank 34 of 63
4.6 is at approximately the 46th percentile of the ranked Math field. The field spans 0.0 to 32.3, with a median of 5.7.
1 of 1 measured
Agentic
20.3rank 29 of 63
20.3 is at approximately the 55th percentile of the ranked Agentic field. The field spans 3.3 to 33.4, with a median of 19.0.
0 of 1 measured · 1 estimated
Model factsProprietary · $5.0 / $25.0 per 1M

Model facts come from the provider page. Listed API prices carry a separate first-party source and check date.

Provider
Anthropic
Released
Weights
Proprietary
Context window
200,000 tokens
Input price / Mtok
$5.0
Output price / Mtok
$25.0
Price source
Official pricing (opens in a new tab)
Reasoning effort
reasoning

Scores and sources

Measured scores retain their source and retrieval date. Missing scores are not treated as zero.

Benchmark scores, evaluation settings, sources, and retrieval dates for Claude Opus 4.5
BenchmarkCategoryScoreEvaluation settingsSource
Terminal-Bench v2.1Coding—Not measured in this datasetNo source
τ³-BankingAgentic—Not measured in this datasetNo source
AA-LCRReasoning74.0Artificial Analysis independent run; 100 roughly 100k-token multi-document questions; 3 repeats; equality-checker pass@1; no toolsOpen source (opens in a new tab)
Humanity's Last ExamReasoning28.4Artificial Analysis independent run; 2,158 text-only questions; pass@1; GPT-4o (August 2024) equality checker; no toolsOpen source (opens in a new tab)
GPQA DiamondReasoning86.6Artificial Analysis independent run; 198 questions; 5 repeats; regex-graded pass@1; no toolsOpen source (opens in a new tab)
SciCodeCoding49.5Artificial Analysis independent run; 288 test subproblems; scientist background included; 3 repeats; subproblem pass@1Open source (opens in a new tab)
IFBenchReasoning58.0Artificial Analysis independent run; 294 single-turn prompts; 5 repeats; official loose evaluator; prompt-level pass@1Open source (opens in a new tab)
CritPtMath4.6Artificial Analysis independent run; 70 test challenges; 5 repeats; two-step answer parsing; official CritPt grader; pass@1; no toolsOpen source (opens in a new tab)