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Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.

  1. Kimi K3.1 ProMoonShot AIRemove
kimi-k3.1-pro
AttributeKimi K3.1 Prokimi-k3.1-pro
Pricing
Input$2.00 / 1M
Output$10.00 / 1M
Cache Write (5m)$2.00 / 1M
Cache Write (1h)$2.00 / 1M
Cache Read$2.00 / 1M
Web Search$0 / 1M
Context
Max context1M
Max outputN/A
Capabilities
VisionYes
Function CallingYes
JSON ModeYes
StreamingYes
Catalogue
ProviderMoonShot AI
Categorychat
Charge typePay As You Go
Released—
Description
SummaryKimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model, building on Kimi K3 with enhanced post-training for advanced reasoning and autonomous task execution. It features a 1M-token context window and native image and video understanding, enabling complex, long-context multimodal workflows. Optimized for long-horizon coding, 3D creation, financial research, and end-to-end agentic knowledge work, Kimi K3.1 Pro is well suited for autonomous software engineering, multimodal analysis, and complex professional workflows that require sustained reasoning and reliable execution.