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Mercury 2.5: price, performance and context
Proprietary Mercury 2.5 by Inception costs $0.04 per 1M input and $0.15 per 1M output tokens, handles up to 260K tokens in one request (≈ 780 pages of text) and scores 12.3 points on the AgentKernel performance index, rank 137 of 212.
Privacy: zero data retention with one provider, not in the EU. Availability over the last 24 h: 99.7%.
Updated Oct 09, 2026, 17:37 UTC · inception/mercury-2.5
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Key facts
- Licence
- Proprietary: no public weights, only through a provider API
- Input / 1M tokens
- $0.04
- Output / 1M tokens
- $0.15
- Context window
- 260K tokens
- Max. output
- 65.5K tokens
- Performance index
- 12.3 points · rank 137 of 212
- Coding index
- n/a
- Agentic index
- n/a
- Cost at your usage
- $0.078 / month
- Knowledge cutoff
- n/a
- In the catalog since
- Sep 08, 2026
- Capabilities
- Reasoning, Tool Calling
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 | $0.00 | 115,000 |
| Email draftsBullet points in, a finished email out | $0.00 | 143,000 |
| Document summariesRead 10 pages, write a one-page summary | $0.00 | 48,000 |
| Code reviewsReview and comment on 500 lines of code | $0.00 | 27,000 |
| Book analysesAnalyse a 300-page book in one go | $0.004 | 2,300 |
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