Gemini 3.1 Pro Preview

google/gemini-3.1-pro-preview

Reasoning-first Gemini preview for agentic coding and complex problem solving

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Context window: 1M
Input: Audio · Document · Image · Text · Video
Output: Text
Released: 2026-02-19

Max output: 66K
Knowledge cutoff: 2025-01
Weights: Closed
Capabilities: Attachments, Reasoning, Structured, Temperature, Tool call

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Performance

Overall capability

53.0/100

Coding: 53.7
Reasoning: 59.9
Professional work: 45.2
Knowledge & language: 56.8


Arena Agent Overall	Professional work	LMArena	2026-11-08
MCP Atlashigh	Professional work	Scale AI	2026-11-05
AA-Analyst AgentGemini 3.1 Pro Preview	Professional work	Artificial Analysis	2026-11-05
GDPval-AA	Professional work	Artificial Analysis	2026-11-05
APEX-Agents 1.1	Professional work	Mercor	2026-11-05
AA-LCRGemini 3.1 Pro Preview	Knowledge & language	Artificial Analysis	2026-11-05
BullshitBench v2	Knowledge & language	BullshitBench	2026-11-05
SciCodeGemini 3.1 Pro Preview	Coding	Artificial Analysis	2026-11-05

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ModelRegistry · Catalog updated 2026-11-10