Gemini 3.1 Flash Image Preview (Nano Banana 2) vs GPT Image 1
Direct comparison between google and openai for chat models. Specs, prices, strengths, weaknesses — decide on facts.
At a glance
- · Cheaper: GPT Image 1
- · Longer context window: Gemini 3.1 Flash Image Preview (Nano Banana 2) at 32,000 tokens
- · Gemini 3.1 Flash Image Preview (Nano Banana 2): Generates images as part of a chat response — no extra endpoint
- · GPT Image 1: Very accurate prompt following, especially layout instructions
Spec comparison
| Spec | Gemini 3.1 Flash Image Preview (Nano Banana 2) | GPT Image 1 |
|---|---|---|
| Provider | openai | |
| Input per 1M tokens | $0.50 / 1M | $0.00 / 1M |
| Output per 1M tokens | $3.00 / 1M | $0.00 / 1M |
| Context window | 32,000 tok | — |
| Vision |
Gemini 3.1 Flash Image Preview (Nano Banana 2) — strengths
- +Generates images as part of a chat response — no extra endpoint
- +Can iteratively refine with text context and image input
- +Cheap compared to Imagen 4 or Flux Pro
GPT Image 1 — strengths
- +Very accurate prompt following, especially layout instructions
- +Best performance at rendering text inside images
- +Supports image input for inpainting and editing
Gemini 3.1 Flash Image Preview (Nano Banana 2) — weaknesses
- −Lower detail quality than Imagen 4 or Flux Pro 1.1
- −Weaker at text-in-image than dedicated image models
GPT Image 1 — weaknesses
- −Pricier per image than Gemini 3.1 Flash Image
- −Higher generation time than specialized diffusion models