Model overview
The updated version of Nano Banana 2 is a leading, highly efficient model for image generation and conversational intelligent photo editing. It maintains Flash‑level speed and cost‑effectiveness at 1K, 2K, and 4K resolutions, while enhancing visual quality, text rendering, multi‑turn dialogue consistency, and Google Search relevance. Up to 10 high‑fidelity object images can be added to the final output, and up to 4 character images can be used to ensure consistent artistic style. It supports Gemini, OpenAI Chat, and OpenAI DALL‑E interface formats.
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 image generation and conversational intelligent photo editing, balancing speed (at Flash level) with cost-effectiveness.
- Maintains high visual quality, improved text rendering, and multi-turn dialogue consistency at 1K/2K/4K resolutions.
- Supports injecting up to 10 high-fidelity object maps and 4 character maps, enhancing image customization and stylistic consistency.
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-nano-banana-2.1 ↗ | USD 1.5 | USD 7.5 | 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 06:25:12 |
| Apilio · gemini优质 ↗ | Not verified | Not verified | 渠道倍率待核验 | 2026/11/2 06:25:12 |
| Apilio · origin ↗ | Not verified | Not verified | 渠道倍率待核验 | 2026/11/2 06:25:12 |
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
Is Nano Banana 2.1 compatible with mainstream large model interface protocols?
Yes, it explicitly supports the interface formats of Gemini, OpenAI Chat, and OpenAI DALL·E.
Does this model support long-context understanding?
The context length is 65,536, indicating strong capabilities for understanding and processing long texts.
Can it directly invoke external tools or produce structured output?
The tags include 'structured_outputs' and 'tools', indicating support for structured outputs and tool invocation capabilities.
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。