Anthropic: Claude Opus 4.1
Anthropic · Tools · Reasoning controls · Sampling controls · Output limits · Released Aug 5, 2025
Best input$15Lowest linked input observation · live snapshot
Best output$75May come from a different provider
Context window200K200,000 tokens
Provider profiles1Price observed Aug 22, 2026 01:39 UTC
Provider pricing
Compare provider prices
Published rates for providers serving this model. Open any source to see where and when the price was checked.
| Provider | Input | Output | Cached input | Batch input | Evidence |
|---|---|---|---|---|---|
 OpenRouteropenrouter.ai ↗ | $15/ 1M | $75/ 1M | $1.5 | Not published | Sourcehttps://openrouter.ai/api/v1/models See where this value came from and when it was checked.
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Performance
Published benchmark results
Benchmark results collected from published sources. Scores from different benchmark versions or test setups may not be directly comparable.
| Benchmark | Category | Score | Origin | Evidence |
|---|---|---|---|---|
| Artificial Analysis Intelligence | reasoning | 27.00 | Public benchmark | SourceArtificial Analysis Intelligence via openlm.ai See where this value came from and when it was checked.
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| Chatbot Arena Elo | reasoning | 1419.00 | Public benchmark | SourceChatbot Arena Elo via openlm.ai See where this value came from and when it was checked.
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| Chatbot Arena Coding Elo | reasoning | 1465.00 | Public benchmark | SourceChatbot Arena Coding Elo via openlm.ai See where this value came from and when it was checked.
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| MMLU-Pro | reasoning | 87.30 | Public benchmark | SourceMMLU-Pro via openlm.ai See where this value came from and when it was checked.
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History
Recent changes
Recorded changes in pricing, availability and other tracked model data.
No recorded changes for this model yet.