AI
Overview
About this model
Kimi K3.1 Pro is Moonshot AI's 3T-class multimodal reasoning model, upgraded from K3 for coding, tool use, and long-running agent workflows. It accepts text, images, and video and produces text within a 1,048,576-token context window. Reasoning is always enabled, with low, high, and max effort levels; max is the default. It supports streaming and JSON Schema structured output. The default generation limit is 131,072 tokens and can be set up to 1,048,576 tokens, subject to the context space remaining after the input.
- Context window
- 1048576
- Category
- -
- Last updated
- 2026-10-24
- Providers
- -
Performance
Usage and availability
Last 14 days
Requests over timeDaily volume
Availability over timeDaily success rate
Cache hit rateDaily cache reads
API endpoints
Supported parameters
Availability
Providers
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| Provider | Route | Pricing | Cache hit | TTFT | Output speed (TPS) | Availability |
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Provider performanceAll active provider routes
API access
Request example
Choose a protocol and copy a ready-to-run request.
POST/v1/responses