Moonshot AI·Kimi

Kimi Thinking Preview

A thinking-model preview on the Kimi Open Platform: a distinct API model, not an alias of the K1.5 research model or K2 Thinking.

RetiredReasoningWeights not released

MODEL NUMBER224

Specifications

Only published specifications are shown.

Input modalities

Text

Output modalities

Text

Open weights

Status

Retired

Retirement date

2025-11-11

A thinking-model preview on the Kimi Open Platform: a distinct API model, not an alias of the K1.5 research model or K2 Thinking.

2025-05-06Preview

Kimi Thinking Preview entered preview.

2025-11-11Deprecation

The Kimi Thinking Preview API was retired.

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