Kimi K2 Thinking is Moonshot AI (Kimi)'s language model with a 262K context window and up to 33K output tokens, available from 14 providers, starting at $0.574 / 1M input and $1.20 / 1M output. A reasoning-focused variant of Kimi K2 that performs step-by-step thinking while dynamically invoking tools for agentic problem solving.
Specifications
Canonical IDmoonshot-kimi-k2-thinking
TypeLanguage
StatusDeprecated
CreatorMoonshot AI (Kimi)Moonshot AI (Kimi)
Providers
Context Window262K tokens
Max Output33K tokens
Input ModalitiesPDFText
Output ModalitiesText
Reasoning Effortsdefault
Parameters1.06T
HuggingFace Likes1,695
HuggingFace Downloads (30d)90,507
HuggingFace Downloads (all-time)1,327,565
Release Date · 8 months ago
Deprecation Date
Benchmarks
Intelligence Index
32.7
#69
Math Index
94.7
#11
MMLU-Pro
0.8
#33
GPQA
0.8
#70
HLE
0.2
#58
LiveCodeBench
0.9
#14
IFBench
0.7
#69
Time to First Token
0.89s
#324
SciCode
0.4
#65
AIME 2025
0.9
#11
LCR
0.7
#47
TerminalBench Hard
0.3
#90
TAU2
0.9
#42
Output TPS

Capabilities

Input2/5
Text
Image·
Audio·
Video·
PDF
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities8/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling
Structured Outputs
Native JSON Schema
Web Search
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching
Assistant Prefill

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandardBatchFlexPriority
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Cache Write
$ / 1M
Input
$ / 1M
Output
$ / 1M
Input
$ / 1M
Output
$ / 1M
Input
$ / 1M
Output
$ / 1M
Alibaba Qwen logo
Alibaba Qwen
kimi-k2-thinking
$0.574$2.29N/AN/A$0.287$1.15
Amazon Bedrock logo
Amazon Bedrock
moonshot.kimi-k2-thinking
$0.6$2.50N/AN/A$0.3$1.25$0.3$1.25$1.05$4.38
Azure AI Foundry logo
Azure AI Foundry
moonshot:k2thinking
$0.6$2.50N/AN/A
Baseten
baseten/moonshotai/Kimi-K2-Thinking
$0.6$2.50N/AN/A
Crusoe
crusoe/moonshotai/Kimi-K2-Thinking
$2.50$2.50N/AN/A
Fireworks AI logo
Fireworks AI
fireworks_ai/accounts/fireworks/models/kimi-k2-thinking
$0.6$2.50N/AN/A
GMI Cloud logo
GMI Cloud
gmi/moonshotai/Kimi-K2-Thinking
$0.8$1.20N/AN/A
Google Gemini logo
Google Gemini
kimi-k2-thinking
$0.6$2.50N/A$0.06
Google Vertex AI logo
Google Vertex AI
kimi-k2-thinking
$0.6$2.50N/A$0.06
Hugging Face logo
Hugging Face
novita:moonshotai/kimi-k2-thinking
$0.6$2.50N/AN/A
Moonshot AI (Kimi) logo
Moonshot AI (Kimi)
moonshot/kimi-k2-thinking
$0.6$2.50$0.15N/A
Novita logo
Novita
novita/moonshotai/kimi-k2-thinking
$0.6$2.50N/AN/A
OpenRouter logo
OpenRouter
moonshotai/kimi-k2-thinking
$0.6$2.50N/AN/A
Vercel AI Gateway logo
Vercel AI Gateway
moonshotai/kimi-k2-thinking
$0.6$2.50$0.15N/A

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Kimi K2 Thinking262K$0.574$1.20Current
Kimi K2262K$0.570$2.30Available

Model IDs

accounts/fireworks/models/kimi-k2-thinking
baseten/moonshotai/Kimi-K2-Thinking
bedrock/ap-northeast-1/moonshotai.kimi-k2-thinking
bedrock/ap-south-1/moonshotai.kimi-k2-thinking
bedrock/moonshotai.kimi-k2-thinking
bedrock/sa-east-1/moonshotai.kimi-k2-thinking
bedrock/us-east-1/moonshotai.kimi-k2-thinking
bedrock/us-east-2/moonshotai.kimi-k2-thinking
bedrock/us-west-2/moonshotai.kimi-k2-thinking
crusoe/moonshotai/Kimi-K2-Thinking
fireworks_ai/accounts/fireworks/models/kimi-k2-thinking
gmi/moonshotai/Kimi-K2-Thinking
kimi-k2-thinking
kimi-k2-thinking-251104
kimi-k2-thinking-maas
moonshot-kimi-k2-thinking
moonshot.kimi-k2-thinking
moonshot/kimi-k2-thinking
moonshotai/kimi-k2-thinking
novita/moonshotai/kimi-k2-thinking
publishers/google/models/kimi-k2-thinking-maas
vertex_ai/moonshotai/kimi-k2-thinking-maas