Kimi K2.8 Preview was released by Moonshot on September 11, 2026, as a coding model in the Kimi Code line.
Kimi K2.8 Preview rolled out in Kimi Code with Kimi K3's low / high / max thinking levels and a context window of up to 1M tokens on every membership tier, up from 262,144 tokens for Kimi K2.7 Code.
Compared with Kimi K2.7 Code · the model it replaces
Reads up to 1 million tokens at once in Kimi Code, on every plan
Context window — how much text the model can read in one go
1M tokens
▲ up from 262,144 tokens for Kimi K2.7 Code
Every Monday, only when something shipped: the AI models that came out, what each one changed, and which lines are due next.
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Kimi K2.8 Preview is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.
Newest first. See the full line with every card →