# Kimi launches K3 model with 256k context window

Kimi, an AI startup, released its K3-256k model featuring a 256,000-token context window. This allows the model to process much longer documents and conversations in a single pass. The advancement could improve AI performance in tasks like document analysis, long-form writing, and complex reasoning.

**Importance:** 3/5

## Sources

### Technology
- [Hacker News](https://www.kimi.com/code/docs/en/kimi-code/models) — Wed, 29 Jul 2026 19:25:33 +0000