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Kimi K3 Fast

kimi-k3 Reasoning Tool Calling Attachments Open Weights Structured Output

Multimodal Kimi model with 1M context and toggleable max-effort thinking for long-horizon agent work

Providers 3
Released Jul 27, 2026
Input Modalities text, image, pdf
Output Modalities text
Tarsk Use coding

Available Providers (3)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Fireworks AI accounts/fireworks/routers/kimi-k3-fast $4.50/MTok $22.50/MTok 1.0M 131.1K
Venice AI kimi-k3-fast-api $4.50/MTok $22.50/MTok 1M 131.1K
Vercel AI Gateway moonshotai/kimi-k3-fast $4.50/MTok $22.50/MTok 1M 131.1K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output