Sources & verification notes

Kimi K3

• Exact identifier & access

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

  • Kimi API Platform: Model List ↗Moonshot AI · provider-authored · checked Oct 1, 2026
  • Kimi API Platform: Model Inference Pricing ↗Moonshot AI · provider-authored · checked Oct 1, 2026
  • Kimi API Platform: Kimi K3 quickstart ↗Moonshot AI · provider-authored · checked Oct 1, 2026

• First availability

  Effective Jul 16, 2026. Checked Oct 1, 2026.

  The Kimi K3 tech blog, dated July 16, 2026 on the blog index, says K3 is available today on the Kimi API; the platform changelog lists the K3 API launch under July 2026.

  • Kimi K3 Tech Blog: Open Frontier Intelligence ↗Moonshot AI · provider-authored · checked Oct 1, 2026
  • Kimi Research and Tech Blog index ↗Moonshot AI · provider-authored · checked Oct 1, 2026
  • Kimi API Platform: Platform Changelog ↗Moonshot AI · provider-authored · checked Oct 1, 2026

• Availability status

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

  • Kimi API Platform: Model List ↗Moonshot AI · provider-authored · checked Oct 1, 2026

• Capabilities & limits

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

  Context window is 1,048,576 tokens per the pricing page. The K3 quickstart says max_completion_tokens defaults to 131072 and can be set up to 1048576. Structured output (json_schema) is documented as reliably supported.

  • Kimi API Platform: Model Inference Pricing ↗Moonshot AI · provider-authored · checked Oct 1, 2026
  • Kimi API Platform: Kimi K3 quickstart ↗Moonshot AI · provider-authored · checked Oct 1, 2026
  • Kimi API Platform: Model Parameter Reference ↗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.

  Derived from the captured rate card's standard token row.

  • Kimi API Platform: Model Inference Pricing ↗Moonshot AI · provider-authored · checked Oct 1, 2026

• Output price

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

  Derived from the captured rate card's standard token row.

  • Kimi API Platform: Model Inference Pricing ↗Moonshot AI · provider-authored · checked Oct 1, 2026

• Model card

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

  Activated parameters (104B) from the moonshotai/Kimi-K3 model card. No training cutoff is stated in the quickstart, parameter reference, tech blog or model card.

  • Kimi API Platform: Kimi K3 quickstart ↗Moonshot AI · provider-authored · checked Oct 1, 2026
  • Kimi API Platform: Model Parameter Reference ↗Moonshot AI · provider-authored · checked Oct 1, 2026
  • moonshotai/Kimi-K3 model card ↗Moonshot AI · provider-authored · checked Oct 1, 2026

• Official announcement

  Effective Jul 16, 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.

  • Kimi API Platform: Model List ↗Moonshot AI · provider-authored · checked Oct 1, 2026

• Provider comparison

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

  • Kimi API Platform: Kimi K3 quickstart ↗Moonshot AI · provider-authored · checked Oct 1, 2026

• Full rate card

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

  • Kimi API Platform: Model Inference Pricing ↗Moonshot AI · provider-authored · checked Oct 1, 2026

• License

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

  Not verified. These sources establish the identifier, not this missing fact.

  • Kimi API Platform: Model List ↗Moonshot AI · provider-authored · checked Oct 1, 2026
  • Kimi API Platform: Model Inference Pricing ↗Moonshot AI · provider-authored · checked Oct 1, 2026
  • Kimi API Platform: Kimi K3 quickstart ↗Moonshot AI · provider-authored · checked Oct 1, 2026