AI Observatory / Model Radar Google / google/gemini-3.1-flash-image-preview

Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines...

65,536 Context
65,536 Max output
$0.50 / 1M Prompt price
2026-02-26 Created
01 / Snapshot

Pricing, context, modalities, and parameters.

Model Radar detail pages stay neutral and operator-readable: core metadata first, then workflow fit.

Provider Google Input modalities image, text
Output modalities image, text Prompt price $0.50 / 1M
Completion price $3.00 / 1M Request price N/A
Context length 65,536 Max completion tokens 65,536
Supported parameters include_reasoning, max_tokens, reasoning, response_format, seed, stop, structured_outputs, temperature, top_p
Best for google/gemini-3.1-flash-image-preview

Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines...

Cross-modal work Image generation High-volume usage new vision image-gen low-cost
03 / Colophon

Routes and exits.

Each model page stays simple: overview, compare, related models, then back to the public hub.