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Moonshot AI

The Kimi family

Moonshot AI's Kimi models, including trillion-parameter-class models released as open weights.

Only versions we have a record for. Missing ones appear as records are added.

8versions2025–2026Latest · Kimi K3

At a glance

The Kimi family — 8 versionsEach Kimi version from 2025 to 2026 as a dot, in release order. The list below has the same information.Main lineKimi K1.5 · Jan 20, 2025Kimi K2 · Jul 2025Kimi Linear · Oct 30, 2025Kimi K2 Thinking · Nov 6, 2025Kimi K2.5 · Jan 29, 2026Kimi K2.6 · Apr 21, 2026Kimi K2.7-Code · Jun 16, 2026Kimi K3 · Jul 28, 2026
Where labels would overlap, only the dot is drawn — point at it to see the name; every version is in the list below.

8 versions

In release order. Each date comes from the record that documents it — open a name to see the record.

  1. Kimi K1.5

    Arrived the same day as DeepSeek-R1

    Reasoning

  2. Kimi K2

    1T-parameter MoE under a modified MIT license

    Open weights

  3. Kimi Linear

    Layer-wise hybrid of KDA and MLA attention

    Text

  4. Kimi K2 Thinking

    The thinking, reasoning version of K2

    ReasoningOpen weights

  5. Kimi K2.5

    Went natively multimodal and added Agent Swarm

    Open weightsMultimodal

  6. Kimi K2.6

    Long coding runs and many subagents working together

    Open weightsCode

  7. Kimi K2.7-Code

    Coding model built on K2.6 that uses fewer thinking tokens

    Open weightsCode

  8. Kimi K3

    2.8T-parameter open-weight model under its own K3 License

    LatestOpen weights