Gemini 3.1 Flash Image Preview, 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 contextual understanding with fast, cos…
Model details →Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Qwen/Qwen3-VL-2B-Instruct
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) wins on 5 of 6 axes — pricing and capability skew in its favour for most workloads.
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Model details →Side-by-side comparison
| Capability | Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) | Qwen/Qwen3-VL-2B-Instruct | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 66K | Unknown | 🏆 Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.50 | Custom | 🏆 Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $3.00 | Custom | 🏆 Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
| Tool / function calling First-class support for emitting structured tool calls. | — | — | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
Frequently asked questions
Is Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) better than Qwen/Qwen3-VL-2B-Instruct?
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) 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 2 (Gemini 3.1 Flash Image Preview) and Qwen/Qwen3-VL-2B-Instruct?
Input: $0.50 vs Custom per 1M tokens. Output: $3.00 vs Custom per 1M tokens.
What context windows do Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) and Qwen/Qwen3-VL-2B-Instruct support?
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) supports up to 66K tokens. Qwen/Qwen3-VL-2B-Instruct supports up to Unknown tokens.
Do both Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) and Qwen/Qwen3-VL-2B-Instruct support tool calling?
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview): not advertised. Qwen/Qwen3-VL-2B-Instruct: not advertised.