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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
#64 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

32,000
Leaderboard
Text
🏆OverallELO: 1,413
#119
🇯🇵JapaneseELO: 1,381
#74
🇨🇳ChineseELO: 1,445
#118
🇰🇷KoreanELO: 1,363
#95
🇬🇧EnglishELO: 1,425
#118
frenchELO: 1,422
#118
germanELO: 1,430
#71
spanishELO: 1,397
#115
russianELO: 1,426
#89
💻CodingELO: 1,464
#107
🧮MathELO: 1,403
#127
✍️Creative WritingELO: 1,416
#68
📝Instruction FollowingELO: 1,414
#103
🌶️Hard PromptsELO: 1,435
#112
💬Multi-TurnELO: 1,428
#95
Vision
🏆OverallELO: 1,189
#77
Code
🏆OverallELO: 1,389
#64