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Hugging Face

Kimi-K2-Thinking API

Hugging Face
About

Build advanced reasoning agents with Kimi-K2-Thinking, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.60/1M input and $2.50/1M output tokens, native tool calling support, open weights architecture. Access Kimi-K2-Thinking via the Hugging Face API with up to 262K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsOpen
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
262K

Tokens

Input Limit
262K

Tokens

Max Output
262K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.60
Output
$2.50

Caching (per 1M tokens)

Read
$0.15
Frequently Asked Questions

Kimi-K2-Thinking by Hugging Face costs $0.60 per 1M input tokens and $2.50 per 1M output tokens. Cached reads cost $0.15 per 1M tokens.

Model Details
ID
moonshotai/Kimi-K2-Thinking
Provider
Hugging Face
Family
kimi-thinking
Release Date
Nov 6, 2025
Knowledge Cutoff
Aug 1, 2024
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
HF_TOKEN
API Base URL
https://router.huggingface.co/v1
Documentation