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NovitaAI

Kimi K2 Thinking API

NovitaAI
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 NovitaAI API with up to 262K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
Yes
Structured Output
Yes
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
Frequently Asked Questions

Kimi K2 Thinking by NovitaAI costs $0.60 per 1M input tokens and $2.50 per 1M output tokens.

Model Details
ID
moonshotai/kimi-k2-thinking
Provider
NovitaAI
Family
kimi
Release Date
Nov 7, 2025
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
NOVITA_API_KEY
API Base URL
https://api.novita.ai/openai
Documentation