Model · Language model

Kimi K2 Instruct 0905

A developer-published September 2025 update of Kimi K2 with a 256K context window and block-fp8 downloadable weights governed by Moonshot AI's Modified MIT License and its usage-threshold attribution clause.

Developer
Moonshot AI
Distribution
Downloadable weights
Artifact licensing
Restricted artifact terms
License scope
Reviewed release artifacts and mandatory terms; not an assessment of training code or training data openness.
Licenses
Kimi K2 Modified MIT License
Boundary
This record represents the moonshotai/Kimi-K2-Instruct-0905 repository release at commit ac6c49f04883bd0a0598b790693a72061c676629 (last modified 2026-01-30), whose checkpoint is stored in block-fp8. The original Kimi-K2-Instruct repository, the Kimi K2 Thinking line, the kimi-k2-0905-preview and turbo API variants, the Moonshot AI API, and downstream requantizations remain separate boundaries.

Risk statements

Not yet examined.

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