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Kimi K3 Fast

Kimi K3 Fast is the faster serving path for Moonshot AI's Kimi K3. It trades a higher per-token rate for lower latency, keeps the context window of 1M tokens, and routes through AI Gateway via Fireworks, Morph, Wafer. Your use is subject to Moonshot AI's Terms & Privacy Policies.

ReasoningTool UseImplicit CachingFile InputVision (Image)
import { streamText } from 'ai'
const result = streamText({
model: 'moonshotai/kimi-k3-fast',
prompt: 'Why is the sky blue?'
})
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Providers

Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.

Provider
Context
Max Output
Latency
Throughput
Input
Output
Cache
Web Search
Capabilities
ZDR
No Training
Release Date
1M131K
$4.50/M
$22.50/M
Read:$0.45/M
Write:
+2
07/27/2026
1M1M
$4.50/M
$22.50/M
Read:$0.45/M
Write:
+2
07/27/2026
1M131K
$4.50/M
$22.50/M
Read:$0.45/M
Write:
+1
07/27/2026