Kimi K2 Thinking

mit

The kimi-k2-thinking model is a general-purpose agentic reasoning model developed by Moonshot AI.

Context
262K
Max output
98K
Input price
$0.6/1M tokens
Output price
$2.5/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Fine-tuning

Details

Model IDmoonshotai/kimi-k2-thinking
Provider Novita AI
Creator Moonshot AI (Kimi)
Familykimi-k2
Licensemit
Statusactive
Typechat
Input modalitiestext
Output modalitiestext
Open weightYes
Parameters—
Architecture—
Context window262K tokens
Max input—
Max output98K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Endpoints

Chat CompletionsPOST
Generate chat responses with messageshttps://api.novita.ai/v3/openai/v1/chat/completions

Pricing

Input
$0.6
Output
$2.5
Cache write
—
Cache read
—
Batch in
—
Batch out
—

Family Comparison: kimi-k2

ModelContextMax outPricing
Kimi K2 Instruct131K98K$0.57$2.3
Kimi K2 Instruct 0905262K98K$0.6$2.5
Kimi K2 Thinking262K98K$0.6$2.5

API

GET/v1/models/novita/moonshotai/kimi-k2-thinking

Kimi K2 Thinking

moonshotai/kimi-k2-thinking

The kimi-k2-thinking model is a general-purpose agentic reasoning model developed by Moonshot AI.

Changes · 4 entries
moonshotai/kimi-k2-thinkingcreateca7a400Nov 2, 2026, 03:02 AM
moonshotai/kimi-k2-thinkingupdate20b7699Sep 14, 2026, 06:48 AM
max_output_tokens100352→98304
moonshotai/kimi-k2-thinkingupdate88d97e5Jun 30, 2026, 04:49 AM
max_output_tokens262144→100352
moonshotai/kimi-k2-thinkingcreate08f0ffeMay 11, 2026, 08:27 AM