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Gemini 3.1 Pro Preview

Google
Model overview

gemini-3.1-pro-preview

Google's current Gemini 3.1 Pro preview model for advanced reasoning and agentic coding.

general LLMreasoningcodingvision-languageagentchatcode generationsoftware engineering agententerprise access
CompareCompanyRankingsPublic signals
Representative version

gemini-3.1-pro-preview

CompanyGoogle
ReleaseNot disclosed
Release typePreview release
ParametersNot disclosed
ArchitectureNot disclosed
ContextNot disclosed
Input modalitiestext / image
Output modalitiestext
Tool use / function callingNot disclosed
Structured output / reasoningConfirmed: Reasoning
Vision / audio / videoConfirmed: Vision
Open weights / LicenseNo open weights / license not applicable
google-gemini-3-1-pro-preview-current · License not applicable
Vendor APIAvailable
Gemini 3.1 Pro Preview | Gemini API | Google AI for Developersgoogle-gemini-3-1-pro-preview-current · 2026-05-08
OpenRouterOpenRouter listed
PricingOpenRouter · 2026-07-15: $2 / $12
input / output, per 1M tokens
BenchmarkNo reliable public source
Public signalsNo reliable public source
Use casesassistant chat / code generation / software engineering agent / enterprise API
Claim evidenceRelease / model specs / weightsGemini 3.1 Pro Preview | Gemini API | Google AI for Developersgemini-3.1-pro-preview
OpenRouter

Pricing / context / availability

OpenRouterOpenRouter listed
OpenRouter listinggoogle/gemini-3.1-pro-preview
Mapped versiongemini-3.1-pro-preview
google-gemini-3-1-pro-preview-current
PricingOpenRouter · 2026-07-15: $2 / $12
input / output, per 1M tokens
Context1048576
Speed/LatencyNo reliable public source
Snapshot time2026-07-15T20:11:41.551Z
SourceView source
Evidence gaps

Public display boundary

Parameter scale not disclosedRelease date not disclosedNo reliable benchmark sourceNo public model-card activity countersNo linkable real reviewSpeed/latency not disclosed