Static model pricing page

Gemini 3.1 Preview official vs aggregator pricing

This is a static, indexable page for Gemini 3.1 Preview, summarizing its public pricing across official APIs and aggregator routes, including blended cost ranges, input spread, and source composition.

5 sources1 official4 aggregator2.1M context

Why this page is worth reading

Gemini 3.1 Preview currently resolves to 5 sources. The cheapest blended route is $4.75/M on FastRouter, about 88% lower than the highest priced route. It includes both official and aggregator routes.

The cheapest official baseline currently comes from Google AI Studio at $38/M.

Freshness and provenance

Bundle generated at 2026-05-11T07:52:52Z. Related crawl timestamps currently span 2026-05-11T06:05:41.752Z to 2026-05-11T06:50:43.647Z. The current page includes 1 official sources and 4 aggregator or reseller sources.

No extra pricing caveats are attached to this page right now.

Cheapest blended
$4.75
FastRouter
Blended spread
88%
$4.75 to $38
Input spread
88%
$0.25 to $2
Context window
2.1M
5 sources
Source / route Input Output Blended Context Notes
FastRouter google/gemini-3.1-flash-lite-preview Aggregator / reseller
$0.25 $1.5 $4.75 1.0M No extra caveat
OpenRouter google/gemini-3.1-flash-lite-preview Aggregator / reseller
$0.25 $1.5 $4.75 1.0M No extra caveat
Requesty google/gemini-3.1-flash-lite-preview Aggregator / reseller
$0.25 $1.5 $4.75 1.0M No extra caveat
OpenRouter google/gemini-3.1-flash-image-preview Aggregator / reseller
$0.5 $3 $9.5 66k No extra caveat
Google AI Studio google/gemini-3.1-pro-preview Official
$2 $12 $38 1.0M No extra caveat
OpenRouter google/gemini-3.1-pro-preview-customtools Aggregator / reseller
$2 $12 $38 1.0M No extra caveat
OpenRouter google/gemini-3.1-pro-preview Aggregator / reseller
$2 $12 $38 1.0M No extra caveat
Vercel AI Gateway google/gemini-3.1-pro-preview Aggregator / reseller
$2 $12 $38 1.0M No extra caveat

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