Overview
Kimi Code’s K2.8 preview model, with coding and agent capability close to K3, more efficient thinking than K2.7 Code, image/video input, and up to 1M context.
Kimi K2.8 Preview
Kimi Code’s K2.8 preview model, with coding and agent capability close to K3, more efficient thinking than K2.7 Code, image/video input, and up to 1M context.
Kimi Code fully rolled out K2.8 Preview on 2026-09-11; the Model ID remains `kimi-for-coding`, it is available to all members, supports low, high, and max thinking (default max), and routes no-thinking requests to the K2.8 non-thinking version.
MODEL NUMBER099
- First public date
- 2026-09-11
- Organization
- Moonshot AI
- Family
- Kimi
01
Specifications
Only published specifications are shown.
02
Overview
Why it mattered
K2.8 Preview upgrades Kimi Code’s default coding route with more efficient reasoning while preserving the existing Model ID, allowing the preview to replace kimi-for-coding without client changes.
PreviousKimi K2.7 Code— · — ctx
CurrentKimi K2.8 Preview— · 1.05M ctx
04
Architecture & capabilities
Model capabilities
CodingAgentLong contextVision
API features
Adjustable reasoning
05
Release history
Kimi K2.8 Preview fully rolled out in Kimi Code; the Model ID `kimi-for-coding` is unchanged, with low, high, and max thinking and up to 1M context.
View source06
Related models
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07
Sources
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