Kimi K2 is Moonshot AI (Kimi)'s language model with a 262K context window and up to 100K output tokens, available from 4 providers, starting at $0.57 / 1M input and $2.30 / 1M output. A large-scale mixture-of-experts LLM with 1 trillion total parameters and 32B active parameters, trained with the Muon optimizer for strong agentic and tool-use performance.
Specifications
Canonical IDmoonshot-kimi-k2
TypeLanguage
StatusActive
CreatorMoonshot AI (Kimi)Moonshot AI (Kimi)
Providers
Context Window262K tokens
Max Output100K tokens
Input ModalitiesImagePDFText
Output ModalitiesText
Reasoning Effortsdefault
Parameters1.06T
HuggingFace Likes145
HuggingFace Downloads (30d)423
HuggingFace Downloads (all-time)423
Release Date · 1 year ago
Knowledge Cutoff · 2 years ago
Deprecation Date
Benchmarks
Intelligence Index
19.4
#178
Coding Index
47.1
#43
Math Index
57.0
#116
MMLU-Pro
0.8
#73
GPQA
0.8
#146
HLE
0.1
#235
LiveCodeBench
0.6
#120
AIME
0.7
#34
IFBench
0.4
#223
Time to First Token
1.18s
#394
SciCode
0.3
#236
MATH-500
1.0
#19
AIME 2025
0.6
#116
LCR
0.5
#154
TerminalBench Hard
0.2
#171
TAU2
0.6
#159
Output TPS
36.2
#241

Capabilities

Input3/5
Text
Image
Audio·
Video·
PDF
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities6/13
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
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Hugging Face logo
Hugging Face
novita:moonshotai/kimi-k2-0905
$0.6$2.50
Novita logo
Novita
novita/moonshotai/kimi-k2-0905
$0.6$2.50
OpenRouter logo
OpenRouter
moonshotai/kimi-k2
$0.57$2.30
OpenRouter logo
OpenRouter
moonshotai/kimi-k2-0905
$0.6$2.50
Vercel AI Gateway logo
Vercel AI Gateway
moonshotai/kimi-k2
$0.57$2.30

Cost Calculator

US Dollar ($)
Preset:

Cheapest Instances to Run It

Cloud GPU instances that can host Kimi K2, ranked by cheapest on-demand price. The model needs about 2541 GB of GPU memory at FP16 precision (estimated from its parameter count), so treat the fit as guidance rather than a guarantee.

All clouds
FP16 (full precision)
US Dollar ($)

No GPU instances fit Kimi K2 at FP16 precision — try a lower precision such as INT4.

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Kimi K2 Thinking262K$0.470$1.20Deprecated
Kimi K2262K$0.570$2.30Current

Model IDs

accounts/fireworks/models/kimi-k2p6
kimi-k2
kimi-k2-0905
kimi-k2-6
moonshot-kimi-k2
moonshotai/kimi-k2
moonshotai/kimi-k2-0905
moonshotai/kimi-k2.6
novita/moonshotai/kimi-k2-0905
vercel_ai_gateway/moonshotai/kimi-k2