Nano Banana 2 vs Seedream 5.0 Pro
Preferred for text to image: Too close to call · Preferred for image editing: Too close to call · Highest resolution: Nano Banana 2. Quality scores are blind human-preference votes; specs and prices come from each lab’s listings.
Google
Nano Banana 2
- Arena1,387
- From$0.045/image
- Max size4K
ByteDance Seed
Seedream 5.0 Pro
- Arena1,390
- From$0.045/image
- Max size2K
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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.
- Preferred for text to imageToo close to callNano Banana 2 1,257 (#11) · Seedream 5.0 Pro 1,250 (#14) — blind human votes
- Preferred for image editingToo close to callNano Banana 2 1,387 (#15) · Seedream 5.0 Pro 1,390 (#13) — blind human votes
- Lowest entry priceSame priceNano Banana 2 from $0.045/image (512) · Seedream 5.0 Pro from $0.045/image (1K)
- Highest resolutionNano Banana 2Nano Banana 2: 4K · Seedream 5.0 Pro: 2K
- NewestSeedream 5.0 ProNano Banana 2 May 28, 2026 · Seedream 5.0 Pro Jul 11, 2026
- Widest inputsNano Banana 2Nano Banana 2: Text prompts, Reference images, PDFs, Video · Seedream 5.0 Pro: Text prompts, Reference images
- Image editingBoth edit imagesTakes a reference image as input: Nano Banana 2 yes · Seedream 5.0 Pro yes
- Self-hostingNo open weightsBoth are available only through APIs and apps
- Most API hostsNano Banana 2Nano Banana 2: 13 · Seedream 5.0 Pro: 1
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 | 1,257 ±4#11 of 82 · 73,278 votes (best) | 1,250 ±4#14 of 82 · 105,824 votes |
| Image editing arenaElo-style score · higher is better | 1,387 ±3#15 of 61 · 262,911 votes | 1,390 ±3#13 of 61 · 317,111 votes (best) |
| Price | ||
| Starting price | $0.045/image 512 | $0.045/image 512 |
| Top price | $0.15/image 4K | $0.09/image 2K |
| How it is billed | Billed per token; Google’s listed cost per image. | Per image |
| Output | ||
| Produces | Images | Images |
| Resolutions | 512 · 1K · 2K · 4K | 1K · 2K |
| Highest resolution | 4K (best) | 2K |
| Largest image | 4K (about 16 MP) | 2K (about 4 MP) |
| Images per request | Up to 1 | Up to 1 |
| Text in the reply | Yes | — |
| Inputs | ||
| Text prompts | Yes | Yes |
| Reference images (editing) | Yes | Yes |
| Max reference images | 14 | 14 |
| Access | ||
| Weights | Proprietary | Proprietary |
| API model ID | gemini-3.1-flash-image | — |
| API hosts | 13 (best) | 1 |
| Released | May 28, 2026 | Jul 11, 2026 |
Which should you choose?
Which is better, Nano Banana 2 or Seedream 5.0 Pro?
For text to image, voters rate them about the same (Nano Banana 2 1,257 (#11) · Seedream 5.0 Pro 1,250 (#14)). For image editing, voters rate them about the same (Nano Banana 2 1,387 (#15) · Seedream 5.0 Pro 1,390 (#13)). Arena scores come from blind, side-by-side human votes on the same prompts; when the gap is inside both models’ error margins we call it a tie. Test your own prompts before you commit.
Which is cheaper?
Nano Banana 2 costs from $0.045/image (512), up to $0.15/image (4K); Seedream 5.0 Pro costs from $0.045/image (1K), up to $0.09/image (2K). Prices are list rates and change often; check the lab before budgeting.
What is the difference between Nano Banana 2 and Seedream 5.0 Pro?
Nano Banana 2 is an image model from Google (May 28, 2026), taking text prompts, reference images, pdfs and video and producing images. Seedream 5.0 Pro is an image model from ByteDance Seed (Jul 11, 2026), taking text prompts and reference images and producing images.
Which is newer?
Nano Banana 2 May 28, 2026; Seedream 5.0 Pro Jul 11, 2026.
Which can edit an existing image?
Takes a reference image as input: Nano Banana 2 yes; Seedream 5.0 Pro yes.
Can I run any of these on my own hardware?
No open weights. Both are available only through APIs and apps.