GPT-5.4 Image 2 vs Seedream 5.0 Pro
Newest: Seedream 5.0 Pro · Widest inputs: GPT-5.4 Image 2 · Self-hosting: No open weights. Not enough arena votes yet for a quality score, so this is a spec comparison.
OpenAIGPT-5.4 Image 2
- Arena—
- From—
- Max size—
ByteDance SeedSeedream 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.
- NewestSeedream 5.0 ProGPT-5.4 Image 2 Apr 21, 2026 · Seedream 5.0 Pro Jul 11, 2026
- Widest inputsGPT-5.4 Image 2GPT-5.4 Image 2: Text prompts, Reference images, PDFs · Seedream 5.0 Pro: Text prompts, Reference images
- Image editingBoth edit imagesTakes a reference image as input: GPT-5.4 Image 2 yes · Seedream 5.0 Pro yes
- Self-hostingNo open weightsBoth are available only through APIs and apps
- Most API hostsGPT-5.4 Image 2GPT-5.4 Image 2: 3 · Seedream 5.0 Pro: 1
Every spec in one table
Dashes mean the data is not published.
| Specification | GPT-5.4 Image 2OpenAI | Seedream 5.0 ProByteDance Seed |
|---|---|---|
| Quality (blind human votes) | ||
| Text to image arenaElo-style score · higher is better | — | 1,250 ±4#14 of 82 · 105,824 votes |
| Image editing arenaElo-style score · higher is better | — | 1,390 ±3#13 of 61 · 317,111 votes |
| Price | ||
| Starting price | — | $0.045/image 1K |
| Top price | — | $0.09/image 2K |
| How it is billed | — | Per image |
| Output | ||
| Produces | Images | Images |
| Resolutions | — | 1K · 2K |
| Highest resolution | — | 2K |
| Largest image | — | 2K (about 4 MP) |
| Images per request | — | Up to 1 |
| Inputs | ||
| Text prompts | Yes | Yes |
| Reference images (editing) | Yes | Yes |
| Max reference images | — | 14 |
| Access | ||
| Weights | Proprietary | Proprietary |
| API hosts | 3 (best) | 1 |
| Released | Apr 21, 2026 | Jul 11, 2026 |
Which should you choose?
Which is better, GPT-5.4 Image 2 or Seedream 5.0 Pro?
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.
Which is cheaper?
Seedream 5.0 Pro costs from $0.045/image (1K), up to $0.09/image (2K). GPT-5.4 Image 2 has no published per-image price. Prices are list rates and change often; check the lab before budgeting.
What is the difference between GPT-5.4 Image 2 and Seedream 5.0 Pro?
GPT-5.4 Image 2 is an image model from OpenAI (Apr 21, 2026), taking text prompts, reference images and pdfs 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?
GPT-5.4 Image 2 Apr 21, 2026; Seedream 5.0 Pro Jul 11, 2026.
Which can edit an existing image?
Takes a reference image as input: GPT-5.4 Image 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.
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