Model overview
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...
The summary below is compiled from sources by an AI model, not our own testing. Verify selection decisions against original sources and your workload.
Key features
- Supports multimodal inputs (image and text) and outputs (image and text)
- Optimized for high-speed image generation and editing ('Flash speed')
- Designed for professional-grade visual quality ('Pro-level visual quality')
Limitations & considerations
Sources are insufficient to establish specific limitations. Verify task performance, latency, data policies, licensing and version lifecycle.
Source prices & cost analysis
Prices vary by channel, region and configuration. Channel quotes are listed independently and are not treated as a single official provider price.
| Source / channel | Input | Output | Billing unit | Collected at |
|---|---|---|---|---|
| OpenRouter · google/gemini-3.1-flash-image ↗ | USD 0.5 | USD 3 | Per million tokens | 2026/11/2 06:25:22 |
| Apilio · gemini-t3 ↗ | Not verified | Not verified | 渠道倍率待核验 | 2026/11/2 06:25:17 |
| Apilio · gemini优质 ↗ | Not verified | Not verified | 渠道倍率待核验 | 2026/11/2 06:25:17 |
| Apilio · origin ↗ | Not verified | Not verified | 渠道倍率待核验 | 2026/11/2 06:25:17 |
Estimate monthly base token costs
Estimates exclude cache discounts, tiered pricing, multimodal surcharges, web search, taxes and additional reasoning output.
Public benchmarks & run configuration
暂无已采集的可核验公开评分。模型未上榜不代表能力较低。
View full indexed rankings →Frequently asked questions
What does 'Nano Banana 2' refer to?
'Nano Banana 2' is a nickname for Gemini 3.1 Flash Image, as stated in the description.
Is Gemini 3.1 Flash Image capable of image editing?
Yes — it is explicitly described as a model for 'image generation and editing'.
Where is this model documented?
It is documented on Apilio.ai and OpenRouter.ai, per the provided evidence URLs.
Do open weights permit free commercial use?
Not necessarily. Check the version license, commercial conditions and usage policies. Self-hosting incurs compute and maintenance costs.
Are these real-time billing prices?
These are timestamped source snapshots, not live billing prices. Check the channel for current versions, regions, discounts and billing methods.
Sources & traceability
许可证：来源未披露，须进一步核验。模型介绍与第三方评测均以原来源的具体版本和方法为准。