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Gemini 3.1 Pro Preview vs Gemini 3.5 Flash

List rates and scores as of . Lower $/MTok is cheaper. Higher scores rank better. Input edge: Gemini 3.5 Flash Output edge: Gemini 3.5 Flash

Model A

Gemini 3.1 Pro Preview

Google
gemini/gemini-3.1-pro-preview
reasoningtools
  • List input$1
  • List output$6
  • Context1.0M
  • Offers36
  • Arena text1487
  • AA intelligence29.7
  • AA coding68.8
  • AA agentic8.2

On plans: Copilot Business, Copilot Enterprise, Copilot Pro, Copilot Pro+

Model B

Gemini 3.5 Flash

Google
gemini/gemini-3.5-flash
reasoningtools
  • List input$0.1857
  • List output$1.11
  • Context1.0M
  • Offers48
  • Arena textN/A
  • AA intelligence33.6
  • AA coding0
  • AA agentic0

On plans: Cursor Business, Cursor Pro, Cursor Ultra, Gemini Code Assist Enterprise

Score sources on /benchmarks.