Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) API Pricing
Live token cost for Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) 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 Preview) 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 Preview) vs.
Frequently asked questions
How much does Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) cost?
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) 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 Preview) support cached input?
No. Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) 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 Preview) context window?
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) supports a context window of 65,536 tokens (66K). Max output per response is 65,536 tokens.
What is Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) good for?
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) 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.