Gemini 3.1 Pro Preview

Google model details for pricing, context, and release tracking.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output
Model Specs
ProviderGoogle
Model IDgoogle/gemini-3.1-pro-preview
Prompt Price
per 1M tokens		$2
Completion Price
per 1M tokens		$12
Sample Workload Cost
1M input + 500K output		$8
Context Window1.05M
Release Date2026-02-19
Popularity RankUnranked
Daily DemandN/A

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Prices are normalized to USD per 1M tokens.
Gemini 3.1 Pro Preview Calculating… Estimated monthly API cost
Unit prices $2 input / $12 output Per 1M tokens

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Model Introduction

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...

Best Fit

Gemini 3.1 Pro Preview is best suited for long-context workloads.

Cost Example

A 1M input token plus 500K output token workload is estimated at $8.

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