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Google logoGemini 3.1 Pro Preview Custom ToolsGoogle
Best input$2.00 /MTok
Best output$12.00 /MTok
Cache read$0.20
Context1.05M
Max output66K
Modalities intext, audio, image, video, file
Tool calling
Structured output
Reasoning
Vision
Audio input
Prompt caching
Providers1
Cheapest providerGoogle AI Studio
LicenseProprietary
ReleasedFeb 25, 2026