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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. Gemini 3.8 FlashGoogleRemove
  2. Kimi K3.1 ProMoonShot AIRemove
gemini-3.8-flash vs kimi-k3.1-pro
AttributeGemini 3.8 Flashgemini-3.8-flashKimi K3.1 Prokimi-k3.1-pro
Pricing
Input$0.75 / 1M$2.00 / 1M
Output$3.75 / 1M$10.00 / 1M
Cache Write (5m)$0.75 / 1M$2.00 / 1M
Cache Write (1h)$0.75 / 1M$2.00 / 1M
Cache Read$0.75 / 1M$2.00 / 1M
Web Search$0 / 1M$0 / 1M
Context
Max context1M1M
Max outputN/AN/A
Capabilities
VisionYesYes
Function CallingYesYes
JSON ModeYesYes
StreamingYesYes
Catalogue
ProviderGoogleMoonShot AI
Categorychatchat
Charge typePay As You GoPay As You Go
Released——
Description
SummaryGemini 3.8 Flash is Google's most intelligent Flash-class model, delivering significant improvements over Gemini 3.7 Flash across software engineering, agentic workflows, and complex multi-step reasoning. Designed to combine strong capability with Flash-tier efficiency, it is well suited for coding assistants, autonomous agents, and high-throughput production workflows that require responsive performance without sacrificing reasoning quality.Kimi 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.