Kimi K3 Fast

Updated Sep 11, 2026

kimi-k31.0M context1.0M max outputreleased Jul 16, 2026Open weightsReasoningTool calling

Cheapest input

Cheapest output

$15

Official

—

output per 1M tokens

Providers

offering this model

Spread

1.5×

max / min output

Offers

Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge.

Provider	1M input	1M output	1M cache read	1M cache write	Context
Neuralwattopen	Cheapest$3	Cheapest$15	$0.3	—	1.0M
Fireworks AIopen	$4.5	$22.5	$0.45	—	1.0M
LLM Gatewayopen	$4.5	$22.5	$0.45	—	1.0M
Venice AIopen	$4.5	$22.5	$0.45	—	1.0M
Vercel AI Gatewayopen	$4.5	$22.5	$0.45	—	1.0M