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anthropic/claude-opus-4
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Claude Opus 4
Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. It sets new benchmarks in software engineering, achieving leading results on SWE-bench (72.5%) and Terminal-bench (43.2%). Opus 4 supports extended, agentic workflows, handling thousands of task steps continuously for hours without degradation. Read more at the [blog post here](https://www.anthropic.com/news/claude-4)
5/22/2025
200,000 tokens
#27 Code (Overall)
Specifications
Modalities
Input
image
text
file
Output
text
Supported Parameters
include_reasoning
max_tokens
reasoning
stop
temperature
tool_choice
tools
top_k
top_p
Max Output Tokens
32,000Leaderboard
Text
🏆OverallELO: 1,412
#70🇯🇵JapaneseELO: 1,380
#33🇨🇳ChineseELO: 1,446
#69🇰🇷KoreanELO: 1,363
#49🇬🇧EnglishELO: 1,424
#71frenchELO: 1,428
#63germanELO: 1,431
#34spanishELO: 1,398
#72russianELO: 1,426
#45💻CodingELO: 1,463
#61🧮MathELO: 1,401
#82✍️Creative WritingELO: 1,417
#34📝Instruction FollowingELO: 1,411
#57🌶️Hard PromptsELO: 1,434
#62💬Multi-TurnELO: 1,428
#49Vision
🏆OverallELO: 1,187
#41Code
🏆OverallELO: 1,384
#27