Kimi K2 Thinking Turbo

Moonshot AIMCP Tool CallReasoning

moonshotai/kimi-k2-thinking-turboOpen Weights

Kimi reasoning model for long-horizon research, planning, and tool use

Benchmark Pricing$1.15 / 1M in$8.00 / 1M out$0.15 cache read

Context: 262,144 tokens•Max Output: 262,144 tokens•Knowledge: 2024-08•Released: 2025-11-06

TECHNICAL SPECIFICATIONS

Context Window262,144262.1K tokens

Max Output262,144262.1K tokens

LicenseOpen SourceSelf-hostable

Input Modalities

Text

Function / Tool CallingSupported (MCP Ready)

Structured OutputsGuaranteed Schema

MODEL CONTEXT PROTOCOL (MCP) READINESS

✓ Kimi K2 Thinking Turbo natively supports OpenAI / Anthropic format tool calling and is fully compatible with MCP servers and agent loops.

MCP Context Window Recommendations

With a context capacity of 262,144 tokens, this model can handle moderately large MCP tool definitions and multi-turn conversation logs comfortably.

API CALL INVOCATION EXAMPLE

// Example: Calling Kimi K2 Thinking Turbo via OpenAI SDK
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.MOONSHOTAI_API_KEY,
});

const response = await client.chat.completions.create({
  model: "moonshotai/kimi-k2-thinking-turbo",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

console.log(response.choices[0].message.content);