Sources & verification notes

Kimi K3

• Exact identifier & access

  Identity and lifecycle apply to this exact identifier and serving surface.

  • moonshotai/Kimi-K3 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026

• First availability

  Effective Jul 27, 2026. Checked Oct 1, 2026.

  The K3 blog says full weights will be released by July 27, 2026; the first public commit in the Hugging Face repo history is dated July 27, 2026. The Kimi Code release notes describe K3 as released and open-sourced on July 16, 2026, the blog date; the weights repo itself went public with the July 27 commit, so that date is used.

  • Kimi K3 Tech Blog: Open Frontier Intelligence ↗Moonshot AI · provider-authored · checked Oct 1, 2026
  • moonshotai/Kimi-K3 commit history ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026
  • What's New | Kimi Code Docs ↗Moonshot AI · provider-authored · checked Oct 1, 2026

• Availability status

  Effective date not established; this is an observation. Checked Oct 1, 2026.

  • moonshotai/Kimi-K3 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026

• Capabilities & limits

  Effective date not established; this is an observation. Checked Oct 1, 2026.

  Context length as given on the model card. The model card documents tool calls (the full assistant message, including tool_calls, must be passed back) and points to the Kimi K3 quickstart for structured output, which the response_format guide documents for kimi-k3. No maximum generation length is stated.

  • moonshotai/Kimi-K3 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026
  • Kimi API Platform: Kimi K3 quickstart ↗Moonshot AI · provider-authored · checked Oct 1, 2026
  • Kimi API Platform: response_format guide ↗Moonshot AI · provider-authored · checked Oct 1, 2026

• Input price

  Effective date not established; this is an observation. Checked Oct 1, 2026.

  • moonshotai/Kimi-K3 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026

• Output price

  Effective date not established; this is an observation. Checked Oct 1, 2026.

  • moonshotai/Kimi-K3 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026

• Reference price

  Effective date not established; this is an observation. Checked Oct 1, 2026.

  The developer's own API price for kimi-k3, which serves this model (https://huggingface.co/moonshotai/Kimi-K3). Model card: 'You can access Kimi K3's API on https://platform.kimi.ai by selecting `kimi-k3`'.

  • Kimi Open Platform API pricing for kimi-k3 ↗Moonshot AI · provider-authored · checked Oct 1, 2026

• Model card

  Effective date not established; this is an observation. Checked Oct 1, 2026.

  • moonshotai/Kimi-K3 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026

• Official announcement

  Effective Jul 27, 2026. Checked Oct 1, 2026.

  • Kimi K3 Tech Blog: Open Frontier Intelligence ↗Moonshot AI · provider-authored · checked Oct 1, 2026

• Provider description

  Effective date not established; this is an observation. Checked Oct 1, 2026.

  • moonshotai/Kimi-K3 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026

• Provider comparison

  Effective date not established; this is an observation. Checked Oct 1, 2026.

  • moonshotai/Kimi-K3 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026

• License

  Effective date not established; this is an observation. Checked Oct 1, 2026.

  The model card says both code and weights are released under the Kimi K3 License; the HF license field is 'other'.

  • moonshotai/Kimi-K3 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026