Kimi K3.1 Pro - Unifically

Kimi K3.1 Pro is Moonshot AI’s flagship language model, a post-trained Kimi K3 released October 23, 2026, with a 1M-token context window, 131k default output, and thinking on every request. reasoning_effort takes low, high, or max (default max); temperature and top_p are fixed upstream. Try it in the browser: Kimi K3.1 Pro API playground. For a faster serving of the same weights, use moonshotai/kimi-k3.1-pro-highspeed.

Model

moonshotai/kimi-k3.1-pro


Provider	Moonshot AI
Name	Kimi K3.1 Pro

Supported Endpoints

All three API formats are supported:

Chat Completions — POST /v1/chat/completions
Responses — POST /v1/responses
Messages — POST /v1/messages

Example

curl -X POST https://api.unifically.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "moonshotai/kimi-k3.1-pro",
    "messages": [
      {"role": "user", "content": "Plan a migration from Express to Fastify for this service and list the risks in order."}
    ]
  }'

Volume discounts are available for almost all models. Reach out at contact@unifically.com to discuss custom pricing.

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​Supported Endpoints

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Model

Supported Endpoints

Example