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Google: Gemini 3.1 Pro Preview
google/gemini-3.1-pro-preview
VisionTool useJSONReasoningStreaming
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...
Pricing
Input
$2.00 / 1M
Output
$12.00 / 1M
Specs
Context
1,048,576 tokens
Input
audio, file, image, text, video
Output
text
Released: 2026-02
Supported parameters
include_reasoningmax_tokensreasoningresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_p