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ModelRover

kimi-k3.1-pro

Hotmoonshot/kimi-k3.1-pro
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The first model in the Kimi K3.1 series: a 3T-class open-weight flagship with a 1M-token context window. Thinking mode is always on, with reasoning_effort configurable as low, high or max. Supports vision and video input, tool calling, structured output and context caching, with notable gains in coding, 3D creation and financial research.

Capabilities
7
VisionVideoToolsSearch
Context length
1M
Tokens
Max output tokens
1M
Tokens
Type
Chat
Moonshot
Release date
2026-10-23
Model brand

Playground

Up to 50 messages are kept on this page; only the last 10 are sent as context, and refreshing clears them

Pricing

Pricing breakdown
Usage-based pricing, broken down by billing item at your current rates.
10% off

Input tokens

Standard rate
2 credits / 1M1.8 credits / 1M

Output tokens

Standard rate
10 credits / 1M9 credits / 1M

Cache read tokens

Standard rate
0.2 credits / 1M0.18 credits / 1M

Cache write tokens (5 min)

Standard rate
2 credits / 1M1.8 credits / 1M

Cache write tokens (1 hour)

Standard rate
4 credits / 1M3.6 credits / 1M

Billing items are additive. Only one matching price tier applies to each item. Each request is calculated exactly from actual usage, and the total is rounded up once to the nearest 0.000001 credits.

API

cURL example
POST/v1/chat/completions
SynchronousOpenAI-compatible
curl "https://api.modelrover.ai/v1/chat/completions" \  -X POST \  -H "Authorization: Bearer $API_KEY" \  -H "Content-Type: application/json" \  -d '{  "model": "moonshot/kimi-k3.1-pro",  "messages": [    {      "role": "user",      "content": "Explain model gateways in one sentence."    }  ]}'

Set your API_KEY environment variable before running. Keep your key server-side.

API documentation

Uptime