Kimi K3 Fast
By moonshotai
moonshotai/kimi-k3-fastFast version of Kimi’s flagship model for long-horizon coding and end-to-end knowledge work, with a 1M-token context window.
ReleasedJul 27, 2026
Pricing
Pricing (Input)$4.50/M
Pricing (Output)$22.50/M
CachingYes
Limits
Context Length1M
Max Output Tokens131.1K
Input Modalities
TextSupported
ImageSupported
PDFSupported
AudioNot supported
Output Modalities
TextSupported
ImageNot supported
AudioNot supported
Features
ReasoningSupported
ToolsSupported
TemperatureSupported