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MoonshotAI: Kimi K3

by Moonshot AI

MoonshotAI: Kimi K3 is a large language model from Moonshot AI. It costs $2.65 per million input tokens and $13.28 per million output tokens. Its context window is 1.0M tokens.

ReasoningTool callingStructured outputPrompt cachingBatch tierOpen weightsimage inputvideo input
Input / 1M tokens
$2.65
Output / 1M tokens
$13.28
Cached input / 1M
$0.303

On repeated prefixes

Context window
1.0M

tokens

Who serves it cheapest

17 hosts serve Kimi K3. Same weights, same API - the price difference is pure margin and routing.

Providers serving MoonshotAI: Kimi K3, cheapest first
ProviderInput / 1MOutput / 1MContextThroughputUptime 24h
InferenceNetCheapest$2.10$10.951.0M-92.2%
Relacefp4$2.40$12.001.0M-98.5%
Makora$2.55$12.751.0M-96.6%
Morphfp8$2.38$13.301.0M-99.1%
DigitalOcean$2.55$12.951.0M-99.5%
Sail Researchfp4$2.65$13.281.0M-99.7%
Wafer$3.00$12.751.0M-99.7%
Phala$2.85$14.251.0M-96.2%
DeepInfrabf16$2.85$14.251.0M-98.7%
Chutesmxfp4$3.00$15.001.0M-98.8%
Parasailfp4$3.00$15.001.0M-99.0%
Modalmxfp4$3.00$15.001.0M-99.3%
Together$3.00$15.001.0M-99.0%
Fireworks$3.00$15.001.0M-99.9%
BaseTenfp8$3.00$15.001.0M-99.8%
Moonshot AImxfp4$3.00$15.001.0M-99.5%
Alibaba$3.45$17.251.0M-99.7%

The spread between InferenceNet and Alibaba is 1.6× for identical weights. Quantization and context limits differ, so check both columns before switching.

Benchmarks

Independent scores published alongside the catalogue.

Intelligence index
43.8
Coding index
76.2
Agentic index
50.6

About Kimi K3

Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI. It is suited for complex coding, knowledge work, and long-horizon agentic workflows, and is particularly strong at...

Specifications

MoonshotAI: Kimi K3 specifications
Model IDmoonshotai/kimi-k3
ProviderMoonshot AI
Context window1.0M tokens
Max output944K tokens
Input modalitiestext, image, video
Output modalitiestext
Knowledge cutoff-
Open weightsYes - moonshotai/Kimi-K3
ReleasedJuly 16, 2026

Cheaper alternatives

Models that cost less than Kimi K3 while keeping at least half its context window and every input modality it supports.

Frequently asked

How much does MoonshotAI: Kimi K3 cost?

$2.65 per million input tokens and $13.28 per million output tokens. Cached input reads cost $0.303 per million tokens.

What is the context window of MoonshotAI: Kimi K3?

1.0M tokens, with up to 944K tokens of output per request.

Which provider serves MoonshotAI: Kimi K3 cheapest?

InferenceNet at $2.10 per million input tokens - 1.6× cheaper than Alibaba, the most expensive of the 17 hosts serving it.

Confirm against the source: Moonshot AI official pricing.