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Kimi K2 Thinking

Deprecated

Reasoning/thinking variant of K2, deprecated/discontinued 2026-05-25 per official model list; replacement kimi-k2.6. Pricing removed from official pages, left null.

Kimi K2 Thinking by Moonshot is tracked live in our LLM catalog, with a 262K (262.144-token) context window. It is deprecated, shutting down 25 May 2026; the recommended replacement is Kimi K2.6. Its weights are publicly downloadable, so it can be self-hosted on your own infrastructure.

Last verified: 13 Aug 2026 · sourced from official provider documentation

Lifecycle warning

This model is deprecated. Scheduled shutdown: 25 May 2026. Recommended migration: Kimi K2.6.

Read the Kimi K2 Thinking migration guide → replacement & cheapest alternatives

Provider
Moonshot
Status
Deprecated
Input price
—
Output price
—
Cached input
—
Blended price
—
Context window
262.144 tokens (262K)
Max output
—
Modality
text
Open weights
Yes — self-hostable
Knowledge cutoff
—
Released
—
API string
kimi-k2-thinking

Source: Moonshot official documentation ↗

See also

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FAQ

Kimi K2 Thinking — questions & answers

What is the context window of Kimi K2 Thinking?

Kimi K2 Thinking has a 262.144-token context window (262K).

Is Kimi K2 Thinking being deprecated or retired?

Kimi K2 Thinking is deprecated. Its scheduled shutdown date is 25 May 2026. The recommended migration is Kimi K2.6.

Does Kimi K2 Thinking support image or vision input?

Our catalog lists Kimi K2 Thinking's modalities as text; image/vision input is not among them.

Can I self-host Kimi K2 Thinking?

Yes — Kimi K2 Thinking is an open-weight model: its weights are publicly downloadable, so you can run it on your own infrastructure (subject to its license) instead of only calling Moonshot's API.

What is the API model string for Kimi K2 Thinking?

The API model identifier for Kimi K2 Thinking is "kimi-k2-thinking" when calling Moonshot's API.