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 Perplexity: Sonar
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) and Perplexity: Sonar are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Sonar is lightweight, affordable, fast, and simple to use — now featuring citations and the ability to customize sources. It is designed for companies seeking to integrate lightweight question-and-answer features optimized for speed.
Model details →Side-by-side comparison
| Capability | Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) | Perplexity: Sonar | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 66K | 127K | 🏆 Perplexity: Sonar |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.50 | $1.00 | 🏆 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 | $1.00 | 🏆 Perplexity: Sonar |
| Tool / function calling First-class support for emitting structured tool calls. | — | — | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| 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 Perplexity: Sonar?
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) and Perplexity: Sonar are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) and Perplexity: Sonar?
Input: $0.50 vs $1.00 per 1M tokens. Output: $3.00 vs $1.00 per 1M tokens.
What context windows do Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) and Perplexity: Sonar support?
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) supports up to 66K tokens. Perplexity: Sonar supports up to 127K tokens.
Do both Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) and Perplexity: Sonar support tool calling?
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview): not advertised. Perplexity: Sonar: not advertised.