Mercury 2.5: API pricing, providers and specs
Mercury 2.5 is a text model by Inception. 5 providers serve it, from $0.15 to $0.938 /1M; the lowest price is at Vercel AI Gateway.
A newer version is out: Mercury 3 · released Oct 19, 2026
How Mercury 2.5 compares
Against the 737 text models on the site priced the same way.
- Cheap for its class: at $0.15 /1M, its lowest price undercuts 88% of comparable models (median $1.10).
- Its 260K-token context window is larger than 45% of them (median 262K), about 390 pages of text.
- 5 providers serve it; 65% of comparable models have fewer.
Mercury 2.5 prices by provider
Every provider's list price, read from its own price page or API. A price marked “from” changes with context length, resolution or mode.
| Provider | Input | Output | Prompt caching | Context |
|---|---|---|---|---|
| Vercel AI Gateway | $0.04/1M | $0.15/1M | $0.004/1M | 260K |
| OpenRouter | $0.04/1M | From$0.15/1M | $0.004/1M | 260K |
| $0.20/1M | $0.75/1M | $0.02/1M | 260K | |
| AI/ML API | $0.212/1M | $0.793/1M | $0.021/1M | — |
| $0.25/1M | $0.938/1M | $0.025/1M | — |
- Vercel AI Gateway$0.15
- OpenRouterFrom$0.15
- AIHubMix$0.75
- AI/ML API$0.793
- Venice AI$0.938
Specs
- Type
- Text
- Maker
- Inception
- Inputs
- Text
- Outputs
- Text
- Context
- 260K≈ 390 pages of text
- Max output
- 66K
- Capabilities
- Prompt caching, JSON, Reasoning, Tool calling
- Released
- Sep 8, 2026
- License
- proprietary
- Open weights
- No, API only
- Monthly searches
- 12K
Alternatives to Mercury 2.5
Same kind of model from other makers, at a similar price.
| Model | Lowest price | Context | Arena | Providers |
|---|---|---|---|---|
| Mercury 2.5this model | $0.15/1M | 260K | — | 5 |
| $0.20/1M | 1.05M | 1608 | 45 | |
| GPT-6 Luna | $0.40/1M | 1.05M | 1578 | 28 |
| Claude Haiku 5.5 | $0.30/1M | 1M | 1585 | 27 |
| $0.376/1M | 262K | 1628 | 5 | |
| $0.17/1M | 1.05M | — | 26 | |
| $0.294/1M | 1.05M | — | 26 | |
| $0.418/1M | 1.05M | — | 33 | |
| $0.225/1M | 262K | — | 5 |
More from Inception
Mercury 2.5 FAQ
The lowest price for Mercury 2.5 is $0.15 /1M, at Vercel AI Gateway.
Vercel AI Gateway, at $0.15 /1M. 5 providers serve Mercury 2.5; the table above lists every one with its price.
Mercury 2.5 reads up to 260K tokens per request and writes up to 66K.
No. Mercury 2.5 is only available through an API; Inception does not publish its weights.
5 API providers serve Mercury 2.5. Compare their prices above, or open a provider to see everything it offers.
Can't find what you're looking for? Contact us