Nano Banana 2 (Gemini 3.1 Flash Image) pricing & benchmarks
Released Jun 18, 2026 · served by 2 providers
What Nano Banana 2 (Gemini 3.1 Flash Image) is
Gemini 3.1 Flash Image, 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 advanced...
- Model ID:
google/gemini-3.1-flash-image - Modality: text+image->text+image
- Tool calling: not supported · Structured output: supported
Providers and prices for Nano Banana 2 (Gemini 3.1 Flash Image)
The same model costs different amounts depending on who serves it. Prices are per 1M tokens, cheapest first. Uptime and throughput are OpenRouter's rolling measurements, not vendor claims.
| Provider | Input | Output | Context | Quant | Uptime 24h | Throughput |
|---|---|---|---|---|---|---|
| Googlecheapest | $0.500 | $3.00 | 131K | — | 99.7% | — |
| Google AI Studio | $0.500 | $3.00 | 66K | — | 99.5% | — |
FAQ
How much does the Nano Banana 2 (Gemini 3.1 Flash Image) API cost?
$0.500 per 1M input tokens and $3.00 per 1M output tokens. A typical workload of 1M input + 300K output tokens costs about $1.40.
Is Nano Banana 2 (Gemini 3.1 Flash Image) free?
No. It is a paid model starting at $0.500 per 1M input tokens, though some providers offer trial credits.
Which provider is cheapest for Nano Banana 2 (Gemini 3.1 Flash Image)?
Google at $0.500 input / $3.00 output per 1M tokens.
Can I self-host Nano Banana 2 (Gemini 3.1 Flash Image)?
No. Nano Banana 2 (Gemini 3.1 Flash Image) is closed-weight and only available through hosted APIs.