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Google: Gemini 3.1 Pro Preview

Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...

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Specification
Model ID
google/gemini-3.1-pro-preview
Modality
Text+image+file+audio+video >text
Context
1.0M tokens
Input
$2.00/1M
Output
$12.00/1M
Image
$2.00/1M
Audio
$2.00/1M
Web search
$14000.00/1M
Updated
Sep 20, 2026
Scores
Capabilities
  • Supports tool calling
  • Supports vision inputs
  • Supports long-context workflows
  • Supports deeper reasoning tasks

Input and output

Accepts Audio, File, Image, Text, Video inputs. Returns Text outputs.

Supported parameters

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_p

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