# Mercury 3: Official announcement

Mercury 3: Official announcement (19 Oct 2026). The context window is 1,000,000 tokens. The maximum output is 131,072 tokens. 7 evidence links.

- Kind: Launch
- Developer: Inception
- Confidence: Observed
- First seen: 2026-10-19T16:50:09.903Z
- Released: 2026-10-19T00:00:00.000Z
- Model: [Mercury 3](https://alexgetman.com/models/inception/mercury-3/)
- Canonical: https://alexgetman.com/signals/2026/10/19/mercury-3-2/

## Evidence links

- [OpenRouter](https://openrouter.ai/inception/mercury-3)
- [Vercel AI Gateway](https://vercel.com/ai-gateway)
- [models.dev · catalogue](https://models.dev/#mercury-3)
- [OpenRouter · usage](https://openrouter.ai/rankings)
- [OpenCode · discovery](https://opencode.ai/data/inception/mercury-3)
- [Primary source (reviewed)](https://www.inceptionlabs.ai/blog)
- [Primary source (reviewed)](https://www.inceptionlabs.ai/blog/introducing-mercury-3)