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Gemini 3.1 Pro Preview

Canonical ID: vercel/google/gemini-3.1-pro-preview

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

Reasoning: Yes Tool use: Yes

Overview

text image pdf
Release date
2026-02-19
Last updated
2026-02-24
Input modalities
text, image, pdf
Output modalities
text

Pricing and Limits

Token pricing

Input
$2/1M
Output
$12/1M
Cached input
N/A
Currency: USD

Context and output

Context window
1,000,000
Max output tokens
64,000
Qualified ID
vercel/google/gemini-3.1-pro-preview

Model Summary

Gemini 3.1 Pro Preview is a model listing in the Vercel AI Gateway provider catalog. It is categorized under the gemini-3.1-pro-preview family.

The model supports text, image, pdf modalities across input/output paths. Reported context capacity is 1,000,000. Pricing is listed at $2/1M input and $12/1M output.

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