Model record

Claude Opus 4.5

Anthropic · released Nov 24, 2025

Overall standing

Overall
48.2rank 33 of 62
48.2 is at approximately the 48th percentile of the ranked Overall field. The field spans 19.0 to 62.2, with a median of 48.9.
6 of 8 measured · 2 estimated
Category standingsReasoning 61.7Coding —Math 4.6Agentic —
Reasoning
61.7rank 39 of 62
61.7 is at approximately the 38th percentile of the ranked Reasoning field. The field spans 31.6 to 73.3, with a median of 64.8.
4 of 4 measured
Coding
Insufficient data
1 of 2 measured
Math
4.6rank 33 of 62
4.6 is at approximately the 47th percentile of the ranked Math field. The field spans 0.0 to 32.3, with a median of 5.3.
1 of 1 measured
Agentic
Insufficient data
0 of 1 measured
Model factsClosed weights · $5.0 / $25.0 per 1M

Copied from the linked provider page; no separate retrieval date is stored.

Provider
Anthropic
Released
Weights
Closed weights
Context window
200,000 tokens
Input price / Mtok
$5.0
Output price / Mtok
$25.0
Reasoning effort
Not listed

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)