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Model Services/Google AI/Gemini 3.1 Pro Preview
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Gemini 3.1 Pro Preview

Preview

Preview Gemini Pro model for complex reasoning and coding.

View current API pricing for this model
Input, output, and cached rates with source and verification time, plus same-workload cost examples.
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Input / 1M tokens
$2.00
Output / 1M tokens
$12.00
Record updated 2026-10-10
Modality:LLM
Context:1,048,576 tokens
Release:Feb 19, 2026
DocsPricingStatus page📊 Price Matrix🧮 Spend Calculator📢 ChangesModel pricing pageVendor API pricingRelated API changesCheck stack cost impact

Pricing

Platform
Scope
Input
Output
Details
Official
Standard
$2.00
$12.00
1.0M context · 66k max output
OpenRouter
Unified API Router
Standard
$2.00
$12.00
1.0M context · 66k max output

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Latest changes

Google AI pricing page updated for Gemini, Veo, and Lyria models

Aug 28, 2026

The Google AI pricing page was updated on 2026-08-28, listing pricing for gemini-3.1-pro-preview, veo-3.1 preview models, and lyria-3 preview models. No specific price changes are detailed; only the page's last-updated timestamp changed.

Benchmarks

No benchmark data available.

⚡Gemini 3.1 Pro Preview Comparisons & Scenario Guides

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❓Gemini 3.1 Pro Preview Frequently Asked Questions

How much does Gemini 3.1 Pro Preview cost per 1M tokens?▼

Gemini 3.1 Pro Preview is priced at $2.00 per 1M input tokens and $12.00 per 1M output tokens, with cached input at $0.20/1M on official. Check provider terms before deployment.

What is the context window for Gemini 3.1 Pro Preview?▼

Gemini 3.1 Pro Preview supports up to 1,048,576 tokens context with a max completion limit of 65,536 tokens.

What are cost-saving alternatives to Gemini 3.1 Pro Preview?▼

ModelPriceLab automatically calculates cheaper alternatives in the same model class, showing monthly spend differences and migration guides.

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