Gemini 2.5 Flash Image, a.k.a. "Nano Banana," is now generally available. It is a state of the art image generation model with contextual understanding. It is capable of image generation,...
Model details →Google: Nano Banana (Gemini 2.5 Flash Image) vs Auto Router
Auto Router wins on 5 of 6 axes — pricing and capability skew in its favour for most workloads.
The Auto Router automatically selects the best model for your prompt, powered by the wisdom of the market. It routes you based on what the OpenRouter community collectively spends on...
Model details →Side-by-side comparison
| Capability | Google: Nano Banana (Gemini 2.5 Flash Image) | Auto Router | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 33K | 2M | 🏆 Auto Router |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.30 | $-1000000.00 | 🏆 Auto Router |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $2.50 | $-1000000.00 | 🏆 Auto Router |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 Auto Router |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 Auto Router |
Frequently asked questions
Is Google: Nano Banana (Gemini 2.5 Flash Image) better than Auto Router?
Auto Router wins on 5 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Google: Nano Banana (Gemini 2.5 Flash Image) and Auto Router?
Input: $0.30 vs $-1000000.00 per 1M tokens. Output: $2.50 vs $-1000000.00 per 1M tokens.
What context windows do Google: Nano Banana (Gemini 2.5 Flash Image) and Auto Router support?
Google: Nano Banana (Gemini 2.5 Flash Image) supports up to 33K tokens. Auto Router supports up to 2M tokens.
Do both Google: Nano Banana (Gemini 2.5 Flash Image) and Auto Router support tool calling?
Google: Nano Banana (Gemini 2.5 Flash Image): not advertised. Auto Router: yes.