Kimi K2 Thinking API
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 $0.47/1M input and $2.00/1M output tokens, native tool calling support, open weights architecture. Access Kimi K2 Thinking via the Deep Infra API with up to 33K output tokens.
Capabilities
Input Modalities
text
Output Modalities
text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsOpen
Limits
Context Window
131K
Tokens
Input Limit
131K
Tokens
Max Output
33K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.47
Output
$2.00
Frequently Asked Questions
Kimi K2 Thinking by Deep Infra costs $0.47 per 1M input tokens and $2.00 per 1M output tokens.
Model Details
ID
moonshotai/Kimi-K2-Thinking
Provider
Deep InfraFamily
kimi-thinking
Release Date
Nov 6, 2025
Knowledge Cutoff
Oct 1, 2024
API Integration