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MoonshotAI: Kimi K2 Thinking

moonshotai-kimi-k2-thinkingmoonshotaiClosed Source Model$1.550000 / call

MoonshotAI: Kimi K2 Thinking

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About MoonshotAI: Kimi K2 Thinking

Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning. Built on the trillion-parameter Mixture-of-Experts (MoE) architecture introduced in...

Technical Specifications

Model ID
moonshotai-kimi-k2-thinking
Category
LLM Models
Task
Text Generation
Price
$1.550000 per million tokens
Added
February 20, 2026

Key Features

  • Chat completion and multi-turn conversation API
  • Streaming response with token-by-token output
  • Function calling and tool use support
  • System prompts and role-based messaging
  • JSON mode and structured output

Quick Start

Integrate MoonshotAI: Kimi K2 Thinking into your application with a single API call. Get your API key from the pricing page to get started.

import requests
import json


url = "https://modelslab.com/api/v7/llm/chat/completions"


headers = {
    "Content-Type": "application/json"
}


data = {
        "model_id": "moonshotai-kimi-k2-thinking",
        "messages": [
            {
                "role": "user",
                "content": "Hello!"
            }
        ],
        "max_tokens": 1000,
        "key": "YOUR_API_KEY"
    }


try:
    response = requests.post(url, headers=headers, json=data)
    response.raise_for_status()  # Raises an HTTPError for bad responses (4XX or 5XX)
    result = response.json()
    print("API Response:")
    print(json.dumps(result, indent=2))
except requests.exceptions.HTTPError as http_err:
    print(f"HTTP error occurred: {http_err} - {response.text}")
except Exception as err:
    print(f"Other error occurred: {err}")

View the full API documentation for SDKs, code examples in Python, JavaScript, and more.

Pricing

MoonshotAI: Kimi K2 Thinking API costs $1.550000 per million tokens. Pay only for what you use with no minimum commitments. View pricing plans

Use Cases

  • AI chatbots and virtual assistants
  • Code generation and developer tools
  • Content writing and copywriting automation
  • Data analysis, summarization, and extraction
Learn more about MoonshotAI: Kimi K2 ThinkingBrowse LLM ModelsMore from MoonshotaiView Pricing

MoonshotAI: Kimi K2 Thinking FAQ

Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning. Built on the trillion-parameter Mixture-of-Experts (MoE) architecture introduced in...

You can integrate MoonshotAI: Kimi K2 Thinking into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "moonshotai-kimi-k2-thinking" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation.

MoonshotAI: Kimi K2 Thinking costs $1.550000 per million tokens. ModelsLab uses pay-per-use pricing with no minimum commitments. A free tier is available to get started.

The model ID for MoonshotAI: Kimi K2 Thinking is "moonshotai-kimi-k2-thinking". Use this ID in your API requests to specify this model.

Yes, ModelsLab offers a free tier that lets you try MoonshotAI: Kimi K2 Thinking and other AI models. Sign up to get free API credits and start building immediately.