Moonshot Kimi K2 Thinking API
About
Build advanced reasoning agents with Moonshot Kimi K2 Thinking, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.57/1M input and $2.29/1M output tokens, native tool calling support, open weights architecture. Access Moonshot Kimi K2 Thinking via the Alibaba (China) API with up to 16K output tokens.
Capabilities
Input Modalities
text
Output Modalities
text
Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsOpen
Limits
Context Window
262K
Tokens
Input Limit
262K
Tokens
Max Output
16K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.57
Output
$2.29
Frequently Asked Questions
Moonshot Kimi K2 Thinking by Alibaba (China) costs $0.57 per 1M input tokens and $2.29 per 1M output tokens.
Model Details
ID
kimi-k2-thinking
Provider
Alibaba (China)Family
kimi-thinking
Release Date
Nov 6, 2025
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
DASHSCOPE_API_KEY
API Base URL
https://dashscope.aliyuncs.com/compatible-mode/v1