Nano Banana 2 (Gemini 3.1 Flash Image)
Last refreshed 2026-05-31. Next refresh: weekly.
Nano Banana 2 (Gemini 3.1 Flash Image) is worth evaluating for long context and vision when its provider route and context window match the workload.
Decision context: Long context task fit, 1 tracked provider route, and research from 2026-05-31.
Use it for
- Teams evaluating long context and vision
- Workloads that can use a 131k context window
- Buyers comparing 1 tracked provider route
Do not use it for
- Strict JSON or tool-calling flows
Cheapest output
$60.00
Google AI Studio per 1M tokens
Provider routes
1
Tracked API hosts
Quality / dollar
Unknown
No task benchmark coverage yet
Freshness
2026-05-31
Researched today
Top use-case fit
Long context
Included by capability and metadata signals in the decision map.
Vision
Included by capability and metadata signals in the decision map.
Provider price ladder
| Provider | Input / 1M | Output / 1M | Batch in / out | Route |
|---|---|---|---|---|
| Google AI Studio | $0.500 | $60.00 | $0.250 / $30.00 | Serverless |
Benchmark peer barsfor Long context
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
About
Nano Banana 2 is the GA Gemini 3.1 Flash Image model for image generation and editing through the Gemini API. It accepts text, image, and PDF inputs, returns text and images, supports search grounding and thinking, and replaces the gemini-3.1-flash-image-preview model retiring on 2026-06-25.
Nano Banana 2 (Gemini 3.1 Flash Image) has a 131k-token context window.
Nano Banana 2 (Gemini 3.1 Flash Image) input tokens at $0.5/1M, output at $60/1M.
Capabilities
API Versions
gemini-3.1-flash-image