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ByteDanceCreate images from text with ByteDance’s Seedream 5.0, choosing Pro, Flash or Lite in one workspace.
- From $0.02 / image
- 1K to 2K
- 1:1, 16:9 or 9:16
Examples
Create a stylish lifestyle photo of a young woman wearing a soft beige oversized sweatshirt. The words “Seedream 5.0 Pro API Coming” are clearly printed on the front of the sweatshirt in bold clean typography, large and easy to read. She stands near a bright window in a modern apartment, soft daylight, warm neutral interior, natural makeup, loose hair, premium casual fashion photography, realistic fabric folds. No other readable text, no logo, no watermark
Create a realistic portrait of a young woman standing by a large window in a bright room, wearing a light cream dress, with soft natural makeup and slightly wavy hair. Morning sunlight falls gently across her face, with a calm and elegant mood, realistic photography style,
Create a dreamy lavender field at sunset with rows of purple flowers stretching into the distance, a small countryside house, golden light, and a soft breeze moving through the plants. The atmosphere should be romantic and serene,
What is Seedream 5.0?
Seedream 5.0 is ByteDance’s image model family. Pro, Flash and Lite each offer text-to-image generation on UniRoute; choose a variant and compare its catalog options before running.
Describe the subject, action and visual style, then choose one of the catalog options and review the request quote. The available input is text and the catalog option; reference-media inputs are not exposed for these variants.
Pro offers resolution and aspect choices, while Flash and Lite expose aspect choices. The tables below show the available settings and prices for each.
What you can do
What you can do with Seedream 5.0 through UniRoute today.
Text to image
Describe the subject, action and visual style, then choose one of the catalog options and review the request quote.
The workspace shows only callable variants; other family operations are not available on UniRoute yet.
Specs & variants
The variants you can call, with their options and prices.
| Variant | Model ID | Modes | Inputs | Output | Price |
|---|---|---|---|---|---|
| Seedream 5.0 Flash | seedream/5-flash-text-to-image | Text to image | Text prompt and an option for aspect ratio | Aspect ratio: 1:1, 16:9, 9:16 | $0.02 per request |
| Seedream 5.0 Pro | seedream/5-pro-text-to-image | Text to image | Text prompt and a size option | Resolution: 1K, 2K; Aspect ratio: 1:1, 16:9, 9:16 | $0.04 to $0.09 per request |
| Seedream 5.0 Lite | seedream/5-lite-text-to-image | Text to image | Text prompt and an option for aspect ratio | Aspect ratio: 1:1, 16:9, 9:16 | $0.03 per request |
Pricing
Priced per request. The option you choose sets the price.
| Seedream 5.0 Flash | |
|---|---|
| 1:1 | $0.02 |
| 16:9 | $0.02 |
| 9:16 | $0.02 |
| Seedream 5.0 Pro | |
|---|---|
| 1K · 1:1 | $0.04 |
| 1K · 16:9 | $0.04 |
| 1K · 9:16 | $0.04 |
| 2K · 1:1 | $0.09 |
| 2K · 16:9 | $0.09 |
| 2K · 9:16 | $0.09 |
| Seedream 5.0 Lite | |
|---|---|
| 1:1 | $0.03 |
| 16:9 | $0.03 |
| 9:16 | $0.03 |
Rounded to the cent; the live quote in the workspace shows the exact amount. Prices updated 2026-11-08.
Pay as you go from a single USD wallet balance. You see the quote before each request.
API
Call Seedream 5.0 from your own code with the media API.
cURL
# Requires bash, curl and jq. Set API_KEY to your own unified UniRoute Key.set -euo pipefail: "${API_KEY:?Set API_KEY first}"BASE='https://api.uniroute.app/v1/media'MODEL='seedream/5-pro-text-to-image'OPTION='basic:1:1'PROMPT='A calm sunrise over a mountain lake'curl -fsS --max-time 60 "$BASE/catalog" -H "Authorization: Bearer $API_KEY" | jq -e '.data.models'BODY=$(jq -n --arg model "$MODEL" --arg option "$OPTION" --arg prompt "$PROMPT" '{model:$model,option:$option,prompt:$prompt}')QUOTE_BODY=$(printf '%s' "$BODY" | jq '{model,option}')QUOTE=$(curl -fsS --max-time 60 "$BASE/quote" -H "Authorization: Bearer $API_KEY" -H 'Content-Type: application/json' -d "$QUOTE_BODY")CAP=$(printf '%s' "$QUOTE" | jq -er '.data.quoted_usd')BODY=$(printf '%s' "$BODY" | jq --arg cap "$CAP" '. + {max_cost_usd:$cap}')IDEMPOTENCY="example-$(date +%s)-$$"create() { curl -fsS --max-time 60 "$BASE/tasks" -H "Authorization: Bearer $API_KEY" -H "Idempotency-Key: $IDEMPOTENCY" -H 'Content-Type: application/json' -d "$BODY"; }TASK_ID=$(create | jq -er '.data.task_id')# The same request and idempotency key must return the original task without charging again.REPLAY_ID=$(create | jq -er '.data.task_id')[ "$TASK_ID" = "$REPLAY_ID" ]for attempt in $(seq 1 120); do TASK=$(curl -fsS --max-time 60 "$BASE/tasks/$TASK_ID" -H "Authorization: Bearer $API_KEY") printf '%s' "$TASK" | jq -e '.data | {task_id,status,billing}' if printf '%s' "$TASK" | jq -e '.data.status == "success" and .data.billing.state == "charged"' >/dev/null; then index=0 while IFS= read -r url; do index=$((index+1)) curl -fL --max-time 120 "$url" -o "$TASK_ID-$index.bin" done < <(printf '%s' "$TASK" | jq -er '.data.urls[].url') break fi if printf '%s' "$TASK" | jq -e '.data.status == "failed" and .data.billing.state == "released"' >/dev/null; then exit 1; fi if [ "$attempt" = 120 ]; then echo "Polling limit reached. Keep task ID $TASK_ID and query it later; do not create a new task." >&2 exit 1 fi sleep 5donecurl -fsS --max-time 60 "$BASE/tasks?limit=20" -H "Authorization: Bearer $API_KEY" | jq -e '.data'# Check this task and the caller Key in Console usage; billing.charged_usd is the actual USD charge.Parameters
| Name | In | Description |
|---|---|---|
model | Body | Model ID to run. |
option | Body | One of the options offered for the model: 1:1, 16:9, 9:16, basic:1:1, basic:16:9, basic:9:16, high:1:1, high:16:9, high:9:16. |
prompt | Body | Text prompt describing what to generate. |
max_cost_usd | Body | Maximum cost in USD for this task, taken from the quote. |
Idempotency-Key | Header | A unique key per task, so a repeated request returns the original task instead of charging again. |
Guides
Use cases
Typical ways to put Seedream 5.0 to work.
Creative sketches
Explore a visual idea from a written brief, then revise the description to refine the result.
Content production
Use the generated result as a draft in a wider production workflow and review it before publication.
Application integration
Use the media API to quote a request, create a task and poll until the output is ready.
FAQ
Common questions about Seedream 5.0.
What is Seedream 5.0?
Seedream 5.0 is ByteDance’s image model family. Pro, Flash and Lite each offer text-to-image generation on UniRoute; choose a variant and compare its catalog options before running.
Which variants can I use?
The variant selector lists the callable model IDs on UniRoute. Unavailable operations are omitted, and the specifications table shows the available options.
How much does Seedream 5.0 cost?
From $0.02 / image. The Pricing section lists the available rates for the selected variant and settings, with prices updated 2026-11-08.
How do I call it from code?
Use the media API to request a quote, create a task with an Idempotency-Key and a maximum cost, then poll for the result.
What inputs does this workspace accept?
Describe the subject, action and visual style, then choose one of the catalog options and review the request quote. Reference-media inputs are not exposed for the callable variants shown here.
Is there a free trial or free credits?
No. Generation is paid from your wallet balance. You can open the workspace and review the price without paying, create an account to see a live quote for your exact settings, and you are charged only for requests that are accepted.
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