kimi-k2 by Moonshot AI

5 tracked versions of the kimi-k2 family. Timeline ordered newest → oldest. Flagship version marked.

Version timeline

  1. Kimi K2 0905Open-weight
    unknown
    Version
    0905
    Context
    262K
    Parameters
    License

    Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32...

  2. Kimi K2.5Open-weight
    unknown
    Version
    5
    Context
    262K
    Parameters
    License

    Kimi K2.5 is Moonshot AI's native multimodal model, delivering state-of-the-art visual coding capability and a self-directed agent swarm paradigm. Built on Kimi K2 with continued pretraining over approximately 15T mixed...

  3. Kimi K2.6Open-weight
    unknown
    Version
    6
    Context
    262K
    Parameters
    License

    Kimi K2.6 is Moonshot AI's next-generation multimodal model, designed for long-horizon coding, coding-driven UI/UX generation, and multi-agent orchestration. It handles complex end-to-end coding tasks across Python, Rust, and Go, and...

  4. Kimi K2 ThinkingOpen-weight
    unknown
    Version
    Context
    262K
    Parameters
    License

    Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning. Built on the trillion-parameter Mixture-of-Experts (MoE) architecture introduced in...

  5. Kimi K2 0711FlagshipOpen-weight
    2025-07-11
    Version
    Context
    131K
    Parameters
    1.0T
    License
    Modified MIT License

    Kimi K2 Instruct is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32 billion active per forward pass. It is optimized for...

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