Google: Nano Banana 2 (Gemini 3.1 Flash Image) API Pricing
Live token cost for Google: Nano Banana 2 (Gemini 3.1 Flash Image) from Google. Use the figures below for budgeting, then tune your exact request mix in the interactive calculator. Prices refresh every 24 hours from OpenRouter.
Capabilities
Google: Nano Banana 2 (Gemini 3.1 Flash Image) cost at scale
Estimated monthly cost across common production volumes. Assumes 30-day months and the request shapes shown.
| Tier | Requests / day | In / out tokens | $ / month |
|---|---|---|---|
| Hobby | 1,000 | 500 / 200 | $25.50 |
| Startup | 10,000 | 1,500 / 500 | $675.00 |
| Growth | 100,000 | 3,000 / 800 | $11,700.00 |
| Enterprise | 1,000,000 | 8,000 / 2,000 | $300,000.00 |
Compare Google: Nano Banana 2 (Gemini 3.1 Flash Image) vs.
Frequently asked questions
How much does Google: Nano Banana 2 (Gemini 3.1 Flash Image) cost?
Google: Nano Banana 2 (Gemini 3.1 Flash Image) costs $0.50 per 1M input tokens and $3.00 per 1M output tokens. A typical 1,500-token in / 500-token out request costs $0.00225.
Does Google: Nano Banana 2 (Gemini 3.1 Flash Image) support cached input?
No. Google: Nano Banana 2 (Gemini 3.1 Flash Image) does not currently expose cached-input pricing through Google. Every input token is billed at the full rate.
What is the Google: Nano Banana 2 (Gemini 3.1 Flash Image) context window?
Google: Nano Banana 2 (Gemini 3.1 Flash Image) supports a context window of 131,072 tokens (131K). Max output per response is 65,536 tokens.
What is Google: Nano Banana 2 (Gemini 3.1 Flash Image) good for?
Google: Nano Banana 2 (Gemini 3.1 Flash Image) is a good fit for long context (1M+ tokens), multimodal grounding, document QA. For other use cases, run your specific input/output mix through the interactive calculator to compare against alternative models.