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Kimi·Kimi family
Kimi K3.1 Pro
otherReleased Oct 23, 2026
Moonshot AI's K3.1 Pro multimodal reasoning model, post-trained from Kimi K3 for coding, 3D creation, financial research and tool-using agents. The documented API supports text, image and video input, structured output and a 1,048,576-token context. Downloadable weights are announced for November 4, 2026; the exact weight license is not yet published. A separately priced Highspeed endpoint is also documented.
ChatText completionFunction callingVisionCode generationReasoningtext · image · video · code
Provider (1)
Sorted by total cost (input + output per 1M tokens). Select a row to view provider details.
| Provider | Pricing (per 1M) | Rate limits | Regions | Health | Latency |
|---|---|---|---|---|---|
 | In: $2.00Out: $10.00 | N/A RPM / N/A TPM | global | Healthy | 0ms |
Quick start
Use this model via Moonshot AI with an OpenAI-compatible SDK.
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.moonshot.com/v1",
apiKey: process.env.MOONSHOT_API_KEY,
});
const response = await client.chat.completions.create({
model: "kimi-k3.1-pro",
messages: [
{ role: "user", content: "Hello!" }
],
});
console.log(response.choices[0].message.content);Using Moonshot AI API · OpenAI-compatible SDK