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Claude Opus 4.8: price, performance and context
Proprietary Claude Opus 4.8 by Anthropic costs $5.00 per 1M input and $25.00 per 1M output tokens, handles up to 1M tokens in one request (≈ 3,000 pages of text) and scores 41.8 points on the AgentKernel performance index, rank 20 of 212.
Privacy: zero data retention with 2 providers, including in the EU. Availability over the last 24 h: 100%.
Updated Oct 09, 2026, 16:46 UTC · anthropic/claude-opus-4.8
Open in the interactive comparison
Key facts
- Licence
- Proprietary: no public weights, only through a provider API
- Input / 1M tokens
- $5.00
- Output / 1M tokens
- $25.00
- Context window
- 1M tokens
- Max. output
- 128K tokens
- Performance index
- 41.8 points · rank 20 of 212
- Coding index
- 74.3 points · rank 14 of 119
- Agentic index
- 41.9 points · rank 19 of 91
- Cost at your usage
- $11.25 / month
- Knowledge cutoff
- n/a
- In the catalog since
- May 27, 2026
- Capabilities
- Reasoning, Vision, Tool Calling, Files
Placements by task
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 | $0.014 | 710 |
| Email draftsBullet points in, a finished email out | $0.011 | 890 |
| Document summariesRead 10 pages, write a one-page summary | $0.029 | 340 |
| Code reviewsReview and comment on 500 lines of code | $0.053 | 190 |
| Book analysesAnalyse a 300-page book in one go | $0.55 | 18 |
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