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MoonshotAI: 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...

View source on OpenRouter Hugging Face
Overview

Model specifications

Context
1,048,576 tokens
Maximum output
943,718 tokens
Architecture
text+image+video->text
Tokenizer
Other
Knowledge cutoff
Not provided
Moderated
No
Capabilities

Input → Output

Input
textimagevideo
Output
text
Reasoning

Yes · max · high · low

API

Supported API parameters

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
Available providers

17 providers

Makora

unknown
Context
1.0M
Maximum output
944K
Input
$2.55
Output
$12.75
Cache read
$0.256
Cache write
Not provided

Sail Research

fp4
Context
975K
Maximum output
877K
Input
$2.60
Output
$13.00
Cache read
$0.290
Cache write
Not provided

Morph

fp4
Context
1.0M
Maximum output
944K
Input
$2.80
Output
$14.00
Cache read
$0.290
Cache write
Not provided

DeepInfra

bf16
Context
1.0M
Maximum output
16K
Input
$2.85
Output
$14.25
Cache read
$0.285
Cache write
Not provided

DigitalOcean

unknown
Context
1.0M
Maximum output
944K
Input
$2.85
Output
$14.25
Cache read
$0.285
Cache write
Not provided

Parasail

fp4
Context
1.0M
Maximum output
944K
Input
$3.00
Output
$15.00
Cache read
$0.300
Cache write
Not provided

BaseTen

fp8
Context
1.0M
Maximum output
262K
Input
$3.00
Output
$15.00
Cache read
$0.300
Cache write
Not provided

Together

unknown
Context
1.0M
Maximum output
944K
Input
$3.00
Output
$15.00
Cache read
$0.300
Cache write
Not provided

Moonshot AI

mxfp4
Context
1.0M
Maximum output
944K
Input
$3.00
Output
$15.00
Cache read
$0.300
Cache write
Not provided

Phala

unknown
Context
1.0M
Maximum output
66K
Input
$3.00
Output
$15.00
Cache read
$0.300
Cache write
Not provided

Fireworks

unknown
Context
1.0M
Maximum output
944K
Input
$3.00
Output
$15.00
Cache read
$0.300
Cache write
Not provided

Modal

mxfp4
Context
1.0M
Maximum output
944K
Input
$3.00
Output
$15.00
Cache read
$0.300
Cache write
Not provided

Chutes

mxfp4
Context
1.0M
Maximum output
66K
Input
$3.00
Output
$15.00
Cache read
$0.300
Cache write
Not provided

Fireworks

unknown
Context
1.0M
Maximum output
944K
Input
$3.30
Output
$16.50
Cache read
$0.330
Cache write
Not provided

Alibaba

unknown
Context
1.0M
Maximum output
944K
Input
$3.45
Output
$17.25
Cache read
$0.345
Cache write
Not provided

Fireworks

unknown
Context
1.0M
Maximum output
944K
Input
$4.50
Output
$22.50
Cache read
$0.450
Cache write
Not provided

Morph

fp4
Context
1.0M
Maximum output
944K
Input
$6.00
Output
$22.50
Cache read
$0.600
Cache write
Not provided
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MoonshotAI: Kimi K3 (batch)

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...

Context
1.0M
Input
text · image · video
Output
text
Input: $3.00Output: $15.00per 1M tokens
View model details →