Kimi K3 Fast

Fast version of Kimi’s flagship model for long-horizon coding and end-to-end knowledge work, with a 1M-token context window. Your use subject to Moonshot AI's Terms & Privacy Policies.

ReasoningTool UseImplicit CachingFile InputVision (Image)

Use with AI Gateway View docs

index.ts

import { streamText } from 'ai'

const result = streamText({
  model: 'moonshotai/kimi-k3-fast',
  prompt: 'Why is the sky blue?'
})

Overview Providers Throughput Latency Uptime Status Similar

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Model

Context	Latency	Throughput	Input	Output	Cache	Web Search	Capabilities	Providers	ZDR	No Training	Release Date

moonshotai/kimi-k3

1.0s

94tps

$2.90/MFast $4.50/M

$14/MFast $22.50/M

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07/16/2026

moonshotai/kimi-k2.7-code-highspeed

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221tps

$1.90/M

$8/M

Read:$0.38/M

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06/15/2026

moonshotai/kimi-k2.7-code

262K

0.6s

79tps

$0.74/MFast $1.90/M

$3.50/MFast $8/M

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06/12/2026

moonshotai/kimi-k2.6

262K

0.3s

241tps

$0.95/M

$4/M

Read:$0.16/M

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04/20/2026

moonshotai/kimi-k2.5

262K

0.5s

66tps

$0.60/M

$3/M

Read:$0.1/M

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01/26/2026

moonshotai/kimi-k2

131K

1.1s

36tps

$0.57/M

$2.30/M

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07/11/2025

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Kimi K3 Fast

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