Kimi K2.8 Preview
Key facts · verified Oct 31, 2026
Kimi K2.8 Preview is a Moonshot AI model released on 11 Sept 2026. Pricing: Kimi Code membership: Plus plan and above, from ¥99 a month (China pricing); no per-token API price. Its context window is 1M tokens. It is not yet ranked on LMArena's text leaderboard. Source: kimi.com.
Moonshot AI’s Kimi K2.8 Preview, rolled out in Kimi Code on 11 September 2026 under the unchanged model id kimi-for-coding. Moonshot states it comes close to Kimi K3 on coding and agent work and thinks more efficiently than K2.7 Code. Thinking effort is low, high or max (default max), and the context window is up to 1 million tokens on every membership tier. It is offered through the Kimi Code membership, not on the Kimi API price list.
Kimi Code membership: Plus plan and above, from ¥99 a month (China pricing); no per-token API price
1M tokens
Not rated
Not ranked
Key Features
Full Specifications
Kimi Code membership: Plus plan and above, from ¥99 a month (China pricing); no per-token API price | |
|---|---|
| Identity | |
| Developer | Moonshot AI |
| Released | Sep 2026 |
| Status | Preview |
| Capacity | |
| Context window | 1M tokens |
| Capability | |
| Vision in | Yes — image and video input |
| Extended reasoning | Yes — low, high or max (default max) |
| Access | |
| API | Kimi Code only (model id kimi-for-coding) |
| Chat app | Yes — Kimi Code desktop and CLI; also Claude Code, OpenCode and Codex |