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, edits, and multi-turn conversations. Aspect ratios c…
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.
Your prompt will be processed by a meta-model and routed to one of dozens of models (see below), optimizing for the best possible output. To see which model was used, visit [Activity](/activity), or read the `model` attribute of the respon…
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.