# kimi-k2-thinking — Discontinued — shutdown May 25, 2026

For kimi-k2-thinking, provider is Moonshot AI; lifecycle status is Discontinued; shutdown / retirement date is May 25, 2026; recommended replacement is kimi-k3; platform / deployment scope is Kimi API (platform.kimi.ai), recorded from its source on 2026-09-09.

- **Provider:** Moonshot AI _(our reading, not quoted from the source)_
- **Model ID / API name:** kimi-k2-thinking _(verified: appears in its own passage below)_
- **Lifecycle status:** Discontinued
- **Shutdown / retirement date:** May 25, 2026 _(verified: appears in the quote below)_
- **Recommended replacement:** kimi-k3 _(verified: appears in the quote below)_
- **Platform / deployment scope:** Kimi API (platform.kimi.ai) _(our reading, not quoted from the source)_

## What the source says

> The `kimi-k2` series models were officially discontinued on **May 25, 2026** and are no longer maintained or supported. Please use the latest Kimi model [kimi-k3](/docs/guide/kimi-k3-quickstart) for continued support and enhanced reasoning capabilities.

## Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

### Model ID / API name

> | `kimi-k2-thinking` | Deprecated |

## Sources disagree

More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from.

### Provider

platform.kimi.ai says provider is **Moonshot AI**, as of 2026-09-09.

> The `kimi-k2` series models were officially discontinued on **May 25, 2026** and are no longer maintained or supported. Please use the latest Kimi model [kimi-k3](/docs/guide/kimi-k3-quickstart) for continued support and enhanced reasoning capabilities.

Source: https://platform.kimi.ai/docs/models.md

docs.together.ai says provider is **Together AI**, as of 2026-09-15.

> | 2026-03-06                  | `moonshotai/Kimi-K2-Thinking`                       | No                                         |

Source: https://docs.together.ai/docs/deprecations.md


### Lifecycle status

platform.kimi.ai says lifecycle status is **Discontinued**, as of 2026-09-09.

> The `kimi-k2` series models were officially discontinued on **May 25, 2026** and are no longer maintained or supported. Please use the latest Kimi model [kimi-k3](/docs/guide/kimi-k3-quickstart) for continued support and enhanced reasoning capabilities.

Source: https://platform.kimi.ai/docs/models.md

docs.together.ai says lifecycle status is **Removed**, as of 2026-09-15.

> | 2026-03-06                  | `moonshotai/Kimi-K2-Thinking`                       | No                                         |

Source: https://docs.together.ai/docs/deprecations.md


### Shutdown / retirement date

platform.kimi.ai says shutdown / retirement date is **May 25, 2026**, as of 2026-09-09.

> The `kimi-k2` series models were officially discontinued on **May 25, 2026** and are no longer maintained or supported. Please use the latest Kimi model [kimi-k3](/docs/guide/kimi-k3-quickstart) for continued support and enhanced reasoning capabilities.

Source: https://platform.kimi.ai/docs/models.md

docs.together.ai says shutdown / retirement date is **2026-03-06**, as of 2026-09-15.

> | 2026-03-06                  | `moonshotai/Kimi-K2-Thinking`                       | No                                         |

Source: https://docs.together.ai/docs/deprecations.md


### Platform / deployment scope

platform.kimi.ai says platform / deployment scope is **Kimi API (platform.kimi.ai)**, as of 2026-09-09.

> The `kimi-k2` series models were officially discontinued on **May 25, 2026** and are no longer maintained or supported. Please use the latest Kimi model [kimi-k3](/docs/guide/kimi-k3-quickstart) for continued support and enhanced reasoning capabilities.

Source: https://platform.kimi.ai/docs/models.md

docs.together.ai says platform / deployment scope is **Together AI serverless inference**, as of 2026-09-15.

> | 2026-03-06                  | `moonshotai/Kimi-K2-Thinking`                       | No                                         |

Source: https://docs.together.ai/docs/deprecations.md


## Source

- https://platform.kimi.ai/docs/models.md
- https://docs.together.ai/docs/deprecations.md

Last verified: 2026-09-09. Review by: 2026-10-09.
Part of [AI model deprecation and retirement dates by provider](https://referencesource.org/ai-model-deprecation-and-retirement/).