Mercury 2
inception/mercury-2-20260304
Inception: Mercury 2 is a text‑only model from Inception released on 2026‑02‑24. It supports up to 128 000 tokens of context, includes tool integration and reasoning capabilities, and is priced at $0.25 per M input tokens and $0.75 per M output tokens. The model’s weights are not publicly available.
- tool use
- structured outputs
- reasoning
At a glance
providerinception
releasedFeb 24, 2026
context128K
input / M$0.25
Specifications
What the API gives you
- Context window
- 128K tokens
- Max output
- 50K tokens
- Input price
- $0.25 / 1M tokens
- Output price
- $0.75 / 1M tokens
- Cache read
- $0.025 / 1M tokens
- Modalities
- text → text
- Knowledge cutoff
- —
- Released
- Feb 24, 2026
Recommendation coverage
Where this model appears
Not currently included in a published recommendation. This means the available task-specific evidence did not support a ranking yet—not that the model was reviewed and rejected.
Measured evidence
Public benchmark record
- LMArena WebDev
- 1164 Elo2026-07-16
- LMArena WebDev
- 1164 Elo2026-07-20
LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open.
Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.