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Claude Opus 4.1: price, performance and context
Proprietary Claude Opus 4.1 by Anthropic costs $15.00 per 1M input and $75.00 per 1M output tokens, handles up to 200K tokens in one request (≈ 600 pages of text) and scores 22.8 points on the AgentKernel performance index, rank 83 of 212.
Privacy: zero data retention with one provider, not in the EU. Availability over the last 24 h: 100%.
Updated Oct 09, 2026, 17:39 UTC · anthropic/claude-opus-4.1
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Key facts
- Licence
- Proprietary: no public weights, only through a provider API
- Input / 1M tokens
- $15.00
- Output / 1M tokens
- $75.00
- Context window
- 200K tokens
- Max. output
- 32K tokens
- Performance index
- 22.8 points · rank 83 of 212
- Coding index
- n/a
- Agentic index
- n/a
- Cost at your usage
- $33.75 / month
- Knowledge cutoff
- Jan 2025
- In the catalog since
- Aug 05, 2025
- Capabilities
- Reasoning, Vision, Tool Calling, Files
What do you get for $10.00?
Rules of thumb from the cost calculator, base rates without caching or taxes.
| Task | Cost per task | For $10.00 |
|---|
| Chat repliesA question with a short history, a detailed answer | $0.042 | 240 |
| Email draftsBullet points in, a finished email out | $0.034 | 300 |
| Document summariesRead 10 pages, write a one-page summary | $0.087 | 110 |
| Code reviewsReview and comment on 500 lines of code | $0.158 | 63 |
| Book analysesAnalyse a 300-page book in one go | $1.65 | 6 |
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