kimi-k2 deprecated, shut down May 25, 2026 (Moonshot AI)

The error you get

What Moonshot AI answers a call to kimi-k2 once the model is gone, as recorded from real responses:

HTTP 404

{"error":{"message":"Not found the model kimi-k2 or Permission denied","type":"resource_not_found_error"}}

What to use instead of kimi-k2

Move to kimi-k3.1-pro, as recommended by Moonshot AI.

Facts

API: Moonshot AI api.moonshot.ai
Model: kimi-k2
Released: July 11, 2025 (models.dev)
Kind: Model retirement
Takes effect: May 25, 2026
Calls after that day: Fail
Source: Deprecations page
Last updated: November 6, 2026
Verified: November 6, 2026, against Moonshot AI's own pages

Questions

When does kimi-k2 shut down?

Calls to the model kimi-k2 on Moonshot AI stopped working on May 25, 2026.

What happens to calls after May 25, 2026?

They have failed since May 25, 2026.

What error does kimi-k2 return once it is shut down?

Moonshot AI answers HTTP 404: "Not found the model kimi-k2 or Permission denied". Send another model to fix it.

When was kimi-k2 released?

kimi-k2 was released on July 11, 2025, according to models.dev.

How do I find the calls this hits in my code?

Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.

kimi-k2 on other APIs 3

Nov 6, 2026 Together AI kimi-k2Model retirement Redirected
No date OpenCode kimi-k2Model retirement Deprecated, no date
No date iFlow kimi-k2Model retirement Deprecated, no date

More from Moonshot AI 10

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No date kimi-k2.5Model retirement Deprecated, no date
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You fixed this one by hand.

Okapi opens the pull request with the fix before the next breaking change reaches your code.

Add to GitHub

Moonshot AI kimi-k2 model retirement