Nano Banana 2 (Gemini 3.1 Flash Image Preview)
gemini-3.1-flash-image-preview
Last refreshed 2026-05-11. Next refresh: weekly.
Nano Banana 2 (Gemini 3.1 Flash Image Preview) is worth evaluating for general LLM work when its provider route and context window match the workload.
Decision context: Coding task fit, 3 tracked provider routes, and research from 2026-04-19.
Use it for
- Teams evaluating general LLM work
- Workloads that can use a 66K context window
- Buyers comparing 3 tracked provider routes
Do not use it for
- Vision or document-understanding workloads
- Strict JSON or tool-calling flows
Cheapest output
$3.00
OpenRouter per 1M tokens
Provider routes
3
Tracked API hosts
Quality / dollar
Unknown
No task benchmark coverage yet
Freshness
2026-04-19
Researched 29d ago
Top use-case fit
No primary decision-task fit is mapped for this model yet.
Provider price ladder
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| OpenRouter | $0.500 | $3.00 | Serverless |
| GCP Vertex AI | $0.500 | $60.00 | Serverless |
| Google AI Studio | $0.500 | $60.00 | Serverless |
Benchmark peer barsfor Coding
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
About
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) available via OpenRouter. Pricing: $0.5/1M input, $3/1M output.
Nano Banana 2 (Gemini 3.1 Flash Image Preview) has a 66K-token context window.
Nano Banana 2 (Gemini 3.1 Flash Image Preview) input tokens at $0.5/1M, output at $3/1M.
Capabilities
No model capability flags are currently sourced.