Mercury 2: API pricing, providers and specs
Mercury 2 is a text model by Inception. 4 providers serve it, from $0.75 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 compares
Against the 737 text models on the site priced the same way.
- Mid-priced: its lowest price is $0.75 /1M against a median of $1.10; 44% of comparable models cost less.
- Its 128K-token context window is larger than 12% of them (median 262K), about 190 pages of text.
- On LMArena's Text board it ranks #60 of the 120 comparable models scored there.
- 4 providers serve it; 60% of comparable models have fewer.
Mercury 2 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 | $0.25/1M | $0.75/1M | $0.025/1M | 128K |
| OpenRouter | $0.25/1M | From$0.75/1M | $0.025/1M | 128K |
| AI/ML API | $0.265/1M | $0.793/1M | $0.026/1M | — |
 Venice AI | $0.313/1M | $0.938/1M | $0.031/1M | — |
- Vercel AI Gateway$0.75
- OpenRouterFrom$0.75
- AI/ML API$0.793
- Venice AI$0.938
Specs
- Type
- Text
- Maker
- Inception
- Inputs
- Text
- Outputs
- Text
- Context
- 128K≈ 190 pages of text
- Max output
- 50K
- Capabilities
- Prompt caching, JSON, Reasoning, Tool calling
- Released
- Feb 24, 2026
- License
- proprietary
- Open weights
- No, API only
- Arena score
- 1355Text
- Monthly searches
- 3K
Alternatives to Mercury 2
Same kind of model from other makers, at a similar price.
| Model | Lowest price | Context | Arena | Providers |
|---|---|---|---|---|
| Mercury 2this model | $0.75/1M | 128K | 1355 | 4 |
 GLM-5.3 | $1.10/1M | 1.05M | 1623 | 49 |
 Mistral Large 4 | $2.09/1M | 1.05M | 1543 | 13 |
 Qwen3.8 27B | $0.50/1M | 262K | 1591 | 33 |
| GPT-6 Luna | $0.40/1M | 1.05M | 1578 | 28 |
 Sonar | $1/1M | 127K | — | 9 |
| GLM-5.2 | $1.80/1M | 1M | 1604 | 44 |
| Grok Build 0.1 | $1.60/1M | 256K | — | 18 |
| Claude Haiku 5.5 | $0.30/1M | 1M | 1585 | 27 |
More from Inception
Mercury 2 FAQ
The lowest price for Mercury 2 is $0.75 /1M, at Vercel AI Gateway.
Vercel AI Gateway, at $0.75 /1M. 4 providers serve Mercury 2; the table above lists every one with its price.
Mercury 2 reads up to 128K tokens per request and writes up to 50K.
No. Mercury 2 is only available through an API; Inception does not publish its weights.
4 API providers serve Mercury 2. Compare their prices above, or open a provider to see everything it offers.
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