GPT-5 Image vs Nano Banana
Newest: GPT-5 Image · Widest inputs: GPT-5 Image · Self-hosting: No open weights. Not enough arena votes yet for a quality score, so this is a spec comparison.
OpenAI
GPT-5 Image
- Arena—
- From—
- Max size—
Google
Nano Banana
- Arena1,291
- From—
- Max size—
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Make it a three-way comparison.
Where they differ
Quality is the arena score from blind, side-by-side human votes. Price, length and resolution come from each lab’s own listings.
- NewestGPT-5 ImageGPT-5 Image Oct 14, 2025 · Nano Banana Aug 26, 2025
- Widest inputsGPT-5 ImageGPT-5 Image: Text prompts, Reference images, PDFs · Nano Banana: Text prompts, Reference images
- Image editingBoth edit imagesTakes a reference image as input: GPT-5 Image yes · Nano Banana yes
- Self-hostingNo open weightsBoth are available only through APIs and apps
- Most API hostsNano BananaGPT-5 Image: 2 · Nano Banana: 12
Every spec in one table
Dashes mean the data is not published.
| Specification | ||
|---|---|---|
| Quality (blind human votes) | ||
| Text to image arenaElo-style score · higher is better | — | 1,149 ±2#36 of 82 · 907,282 votes |
| Image editing arenaElo-style score · higher is better | — | 1,291 ±2#33 of 61 · 11,448,539 votes |
| Output | ||
| Produces | Images | Images |
| Inputs | ||
| Text prompts | Yes | Yes |
| Reference images (editing) | Yes | Yes |
| Access | ||
| Weights | Proprietary | Proprietary |
| API model ID | — | gemini-2.5-flash-image |
| API hosts | 2 | 12 (best) |
| Released | Oct 14, 2025 | Aug 26, 2025 |
Which should you choose?
Which is better, GPT-5 Image or Nano Banana?
Neither model has enough arena votes for a reliable quality score yet, so this page compares specs only. Run the same three or four prompts through each and judge the results.
What is the difference between GPT-5 Image and Nano Banana?
GPT-5 Image is an image model from OpenAI (Oct 14, 2025), taking text prompts, reference images and pdfs and producing images. Nano Banana is an image model from Google (Aug 26, 2025), taking text prompts and reference images and producing images.
Which is newer?
GPT-5 Image Oct 14, 2025; Nano Banana Aug 26, 2025.
Which can edit an existing image?
Takes a reference image as input: GPT-5 Image yes; Nano Banana yes.
Can I run any of these on my own hardware?
No open weights. Both are available only through APIs and apps.