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Nano Banana 2 (Gemini 3.1 Flash Image Preview): price, performance and context
Proprietary Nano Banana 2 (Gemini 3.1 Flash Image Preview) by Google costs $0.50 per 1M input and $3.00 per 1M output tokens, handles up to 65.5K tokens in one request (≈ 200 pages of text).
Privacy: no zero-retention provider listed.
Open in the interactive comparisonKey facts
- Licence
- Proprietary: no public weights, only through a provider API
- Input / 1M tokens
- $0.50
- Output / 1M tokens
- $3.00
- Context window
- 65.5K tokens
- Max. output
- 59K tokens
- Performance index
- n/a
- Coding index
- n/a
- Agentic index
- n/a
- Cost at your usage
- $1.25 / month
- Knowledge cutoff
- n/a
- In the catalog since
- Feb 26, 2026
- Capabilities
- Reasoning, Vision
What do you get for $10.00?
Rules of thumb from the cost calculator, base rates without caching or taxes.
| Task | Cost per task | For $10.00 |
|---|---|---|
| Chat repliesA question with a short history, a detailed answer | $0.002 | 6,100 |
| Email draftsBullet points in, a finished email out | $0.001 | 7,500 |
| Document summariesRead 10 pages, write a one-page summary | $0.003 | 3,200 |
| Code reviewsReview and comment on 500 lines of code | $0.006 | 1,700 |
| Book analysesAnalyse a 300-page book in one go | – | does not fit the context |
Cheaper with similar performance
No matching alternative in the catalog.
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| MiMo-V2.6-ProXiaomi | Open | 46.3 | $0.653 |
| GLM 5.3Z.ai | Open | 44.8 | $1.79 |
| Kimi K3Moonshot AI | Open | 43.6 | $4.195 |