Seedream 5.0 Pro is ByteDance's flagship image model, known for sharp in-image text rendering and photorealistic detail. On HiAPI it runs in two modes — text-to-image and image-to-image (editing) — and every call is billed per image, with no subscription and no per-token math. This guide breaks down the real 2026 numbers (re-checked against HiAPI's live pricing on 2026-10-16), shows what that price actually buys, and explains how to start.
Seedream 5.0 Pro API pricing at a glance (2026)
All figures are per image, in USD. See live pricing for the current numbers.
| Mode | 1K | 2K |
|---|---|---|
| Text-to-image | $0.05 | $0.10 |
| Image-to-image (editing) | $0.06 | $0.10 |
That is the whole price list. There is no token metering, no resolution surcharge beyond the two tiers, and no separate "HD" add-on — the number you see is the number you pay per successful image. Failed tasks are not charged.
How resolution changes the price
Seedream 5.0 Pro prices by output resolution, and only by resolution. There are two tiers:
- 1K — $0.05 for text-to-image, $0.06 for editing. This is the default working tier for web, social, and iteration.
- 2K — $0.10 for both modes. Reach for it on hero images, print, or anything you will crop into.
Moving from 1K to 2K doubles the text-to-image cost and adds about two-thirds to the editing cost, so the practical workflow is simple: lock your prompt at 1K, then re-run only the keeper at 2K. You pay a nickel to explore and the full dime once.
Text-to-image vs image-to-image
Generating and editing are priced separately, but the gap is small and closes as resolution rises:
- At 1K, editing ($0.06) costs one cent more than generating ($0.05).
- At 2K, both modes are $0.10 — editing carries no premium at the top tier.
So if your pipeline is mostly edits, budget essentially the same as for generation. The editing mode accepts up to 10 reference images for character-, product-, and style-consistent edits and composites — see the Seedream 5.0 Pro image-to-image page for the full request shape.
Where Pro sits in the Seedream lineup
Pro is the flagship tier, and the price reflects that. If you do not need the top quality level, HiAPI carries cheaper Seedream siblings:
- Seedream 5.0 Flash — $0.025 per image, the fastest and cheapest.
- Seedream 5.0 Lite — $0.035 per image, with built-in web knowledge; good for high-volume iteration and infographics.
- Seedream 4.5 — $0.045 per image, the previous community-favorite quality tier.
The step up to Pro buys the sharpest detail and the most reliable in-image text. If cost is the priority, start on Lite or Flash and reserve Pro for final delivery.
What the price actually buys
With a single quality tier, the pricing question is not "which Pro variant" — it is "is flagship quality worth $0.05–$0.10 an image for my use case?" The answer comes down to two things Pro does unusually well: in-image text and fine detail.
Here is a real Seedream 5.0 Pro render (text-to-image) from this exact prompt:
A wide cinematic shot of a designer's studio wall covered in freshly printed posters and magazine covers pinned in a neat grid, the large central poster reads 'SEEDREAM 5.0 PRO' in bold modern typography with a smaller subtitle 'PROMPT RECIPES' beneath it, warm tungsten desk lamp glow, scattered proof sheets and printed color swatches on the desk below, shallow depth of field, cinematic composition, dramatic directional lighting, rich cohesive color grade, ultra-detailed, premium commercial finish
Both the headline and the smaller subtitle land correctly — the kind of layout cheaper models often garble. That reliability is the pricing argument in miniature: for moodboards and volume, a cheaper sibling is plenty; for posters, signage, packaging, and anything a customer will actually read, the few extra cents per image earn their keep. Even so, zoom-check critical copy before you ship — 99% is not 100%.
What $1 and $10 buy
Straight from the per-image prices above:
| Mode & tier | Per image | Images per $1 | Images per $10 |
|---|---|---|---|
| Text-to-image · 1K | $0.05 | 20 | 200 |
| Text-to-image · 2K | $0.10 | 10 | 100 |
| Image editing · 1K | $0.06 | ~16 | ~166 |
| Image editing · 2K | $0.10 | 10 | 100 |
New accounts start with free credits, so your first batch of test images costs nothing out of pocket.
How to access Seedream 5.0 Pro on HiAPI
One API key covers both modes. Image models run on an async task endpoint:
- Sign up and grab your key. New accounts start with free credits; billing is pay-as-you-go with no minimum, and failed tasks are not charged.
POST /v1/taskswith a body like this, and you receive ataskId:
{
"model": "seedream-5.0-pro/text-to-image",
"input": {
"prompt": "A neon-lit night market street in a rainy cyberpunk city, a glowing storefront sign reads \"SEEDREAM 5 PRO\" in crisp lettering, cinematic composition, dramatic directional lighting, ultra-detailed, premium commercial finish",
"aspect_ratio": "16:9",
"resolution": "1K"
}
}
- Poll
GET /v1/tasks/{taskId}untilstatusissuccess, then downloadoutput[0].url. In production, pass acallback.urlat the top level to be notified instead of polling.
Copy-paste curl and Python live in the Seedream 5.0 Pro text-to-image API guide, and the full parameter reference is in the HiAPI docs.
FAQ
How much does the Seedream 5.0 Pro API cost? Per image on HiAPI: text-to-image is $0.05 at 1K and $0.10 at 2K; image-to-image (editing) is $0.06 at 1K and $0.10 at 2K. There is no subscription and no per-token billing.
What is the difference between 1K and 2K, and do they cost the same? 1K outputs a 1K image; 2K outputs a 2K image. They are priced differently — 1K is cheaper ($0.05 vs $0.10 for text-to-image) — so iterate at 1K and switch to 2K for final delivery.
Is image editing more expensive than generating? Only slightly, and only at 1K: editing is $0.06 vs $0.05 for generation. At 2K both are $0.10, so editing carries no premium at the top tier. Editing accepts up to 10 reference images.
Is there a cheaper Seedream option? Yes. Seedream 5.0 Flash ($0.025) and Seedream 5.0 Lite ($0.035) are cheaper siblings; Pro is the flagship quality tier. Pick Pro when you need the sharpest detail or reliable in-image text.
How do I get the finished image?
The request returns a taskId immediately. Once the task reaches success, download the image from output[0].url. Failed tasks are not billed.
Takeaways
Seedream 5.0 Pro is simple to budget: $0.05–$0.10 per image, decided only by whether you render at 1K or 2K. Iterate cheap at 1K, finalize at 2K; expect editing to match generation at the top tier; and drop to Lite or Flash when flagship quality is not the point. What the price buys is dependable in-image text and flagship detail — the features worth paying for when the output is customer-facing.
Ready to try it? New keys come with free credits, so your first renders are on the house — open the Seedream 5.0 Pro model page and ship your first image today.
