Inference
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Anthropic

Claude 4 Opus

Claude 4 Opus is a standard model from Anthropic. It has 7 scored results in 5 categories. It has no index.

  • Closed weights
  • Standard
  • Input: text
  • Released 2025-05
UnrankedEnough results for an index.
IndexAll categories, out of 100.UnrankedMedian 51.0
CoverageIndex weight that has results.60%
SpeedOutput tokens per second.—Median 67/s
First tokenSeconds to the first output token.—Median 1.3 s
Input / 1MUS dollars per 1M input tokens.—Median $0.60
Output / 1MUS dollars per 1M output tokens.—Median $2.55
ContextMaximum tokens in one request.200KMedian 262K
EloLMArena rating and rank.—Median 1422

Capabilities

Index per category, out of 100.
Out of 100
AgenticMulti-step tasks with tools.None counted——
CodingCode writing and repair.1 counted53.2—
ReasoningLogic problems and puzzles.None counted——
MultimodalTasks with images and text.1 counted41.8—
KnowledgeFacts and expert knowledge.3 counted39.8—
MultilingualTasks in many languages.None counted——
InstructionTasks with strict prompt rules.1 counted29.5—
MathMath problems.1 counted17.4—

Results

7 counted
BenchmarkThe benchmark name.ResultThe score from the source.PlacePlace among results on this benchmark.
SWE-bench Verified · swebench.comCoding67.6%5 / 46
SWE-bench Verified · SWE-bench/experimentsCoding70.4%15 / 65
MMMLUKnowledge87.4%5 / 15
Software Engineering Benchmark VerifiedCoding72.5%59 / 114
Massive Multi-discipline Multimodal UnderstandingMultimodal73.7%15 / 28
Graduate-Level Google-Proof Q&AKnowledge74.9%82 / 141
Artificial Analysis IFBenchInstruction43.3%93 / 146
Artificial Analysis GPQA DiamondKnowledge70.1%133 / 199
Artificial Analysis Humanity's Last ExamKnowledge6.2%169 / 222
American Invitational Mathematics Examination 2025Math33.9%47 / 53

Sources

BenchLMCC BY-NC 4.0SWE-bench teamNo licence stated

Questions

What is the context window of Claude 4 Opus?
200K tokens.
Is Claude 4 Opus open source?
No. Its weights are not published.
When was Claude 4 Opus released?
May 2025.

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