Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs GPT-5.4 Image 2
A side-by-side comparison of two image models — real specs, pricing, strengths and weaknesses, and a clear verdict on which to choose. Kept current by our agents.
Quick verdict: which should you choose?
Choose Nano Banana 2 (Gemini 3.1 Flash Image Preview) if you need
- ✓Large 272k token context for detailed multimodal inputs
- ✓Seamless integration of images, text, and files with strong visual-textual coherence
- ✓Flexible handling of complex image tasks from OpenAI
- ✓Maximum context depth in image-centric workflows
Choose GPT-5.4 Image 2 if you need
- ✓Lower output price of $3 per 1M tokens
- ✓Fast responses suitable for preview workflows
- ✓Efficient handling of image+text inputs with strong long-context multimodal support
- ✓Google provider ecosystem for lighter preview tasks
Verdict
GPT-5.4 Image 2 leads for users needing the largest 272k context and seamless image-text-file integration in complex visual workflows, while Nano Banana 2 (Gemini 3.1 Flash Image Preview) wins on price at $3/M versus $15/M and is positioned for fast preview use cases. Both are proprietary image-specialized models with unknown intelligence and speed metrics, limiting direct performance comparisons.
Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs GPT-5.4 Image 2: side by side
| Spec | Nano Banana 2 (Gemini 3.1 Flash Image Preview) | GPT-5.4 Image 2 | Winner |
|---|---|---|---|
| Intelligence | — | — | Tie |
| Output speed | — | — | Tie |
| Output price | $3.00/1M | $15.00/1M | Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
| Context | 131K | 272K | GPT-5.4 Image 2 |
| Params | — | — | Tie |
| Type | Proprietary | Proprietary | Tie |
| Provider | OpenAI | Tie |
Detailed analysis
Pricing
Winner: Nano Banana 2 (Gemini 3.1 Flash Image Preview)Nano Banana 2 costs $3 per 1M output tokens compared to GPT-5.4 Image 2 at $15 per 1M. This makes B substantially cheaper for high-volume image and text tasks. Both are proprietary with no other cost details provided.
Context Window
Winner: GPT-5.4 Image 2GPT-5.4 Image 2 offers a 272000 token context versus Nano Banana 2's 131072 tokens. The larger window directly supports its listed strength in detailed multimodal inputs. Both models emphasize long-context multimodal capabilities but A has the edge in size.
Use Case Focus
Winner: TieBoth models are image-specialized with strengths in multimodal image+text handling and limitations on non-visual tasks. GPT-5.4 Image 2 highlights complex task flexibility and coherence while Nano Banana 2 emphasizes efficiency and preview speed. Neither is optimized for pure-text or code.
Provider Ecosystem
Winner: TieGPT-5.4 Image 2 comes from OpenAI and Nano Banana 2 from Google, both as proprietary models. No further ecosystem details such as integration options are provided beyond the listed strengths.
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Pros
- +Efficient handling of image+text inputs
- +Strong long-context multimodal support
- +Fast responses suitable for preview workflows
Cons
- –Preview model may have reduced feature completeness
- –Less depth on pure-text or code tasks versus larger Gemini variants
- –Image-focused specialization limits non-visual use cases
GPT-5.4 Image 2
Pros
- +Large 272k token context supports detailed multimodal inputs
- +Seamless integration of images, text, and files
- +Strong visual-textual coherence
- +Flexible handling of complex image tasks
Cons
- –Primarily specialized for image-centric workflows
- –High resource demands with large contexts
- –Not optimized for non-visual general tasks
Summary: Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs GPT-5.4 Image 2
Choose GPT-5.4 Image 2 when maximum context and integration depth for complex visual tasks are required despite higher cost. Select Nano Banana 2 (Gemini 3.1 Flash Image Preview) for budget-conscious preview workflows needing fast multimodal responses. The models serve overlapping but distinct niches within image-focused multimodal use.
Frequently asked questions
GPT-5.4 Image 2 is better for large-context complex image tasks while Nano Banana 2 is better for lower-cost fast previews; neither has intelligence or speed metrics to declare an overall winner.