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bytedance/seedream-v5.0-lite/sequential

Seedream 5.0 Lite Sequential generates multi-image sets with consistent characters and objects, unifying palette, lighting, and style across all outputs. Supports up to 4K results for campaigns, storyboards, and product lines. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

Text to Image
Input
width
height
2048 × 2048 px
Range: 64 - 16384

Idle

$0.035per run·~28 / $1

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README

Seedream V5.0 Lite Sequential

Seedream V5.0 Lite Sequential creates a series of related images from a single text prompt. Describe individual scenes and a shared visual style for storyboards, creative concepts, and visual storytelling.

Why Choose This?

  • Prompt-driven creation — Describe subjects, scenes, lighting, and style.
  • Multi-image sequences — Request a series of related images in one run.
  • High-resolution output — Generate images with up to 16,777,216 total pixels.
  • Shared visual direction — Guide a sequence with common characters, settings, and style.

Parameters

ParameterRequiredDescription
promptYesDescribe the images to create, including the desired number and details for each scene.
sizeNoOutput dimensions in width*height format, such as 2048*2048. Default: 2048*2048. See Notes for supported sizes.
max_imagesNoMaximum number of images to generate: 1–15. Default: 1.
output_formatNoOutput image format: jpeg or png.

How to Use

  1. Set the image count — Choose max_images and state the same number in your prompt.
  2. Write your prompt — Describe each image in order and specify a shared style.
  3. Choose the output settings — Set size if needed, then choose JPEG or PNG.
  4. Generate — Submit your request and download the results.

Pricing

Price = $0.035 × max_images. Billing is based on the selected max_images value, not the number of images ultimately returned.

max_imagesTotal Price
1$0.035
2$0.070
4$0.140
8$0.280
15$0.525

Supported output sizes, output formats do not add separate charges.

Best Use Cases

  • Storyboards — Explore a sequence of scenes for a project.
  • Visual campaigns — Develop related images with a shared theme.
  • Character concepts — Explore outfits, settings, and compositions.
  • Social media series — Create images for multi-image posts.

Pro Tips

  • Describe the main subject first, then add the setting, lighting, and style.
  • Specify important colors, materials, and subject placement.
  • Keep instructions clear and avoid conflicting descriptions.
  • Separate scene descriptions with "First," "Second," and so on, while keeping shared details consistent.

Notes

  • This endpoint does not accept reference images. Use Seedream V5.0 Lite Edit Sequential to work with existing images.
  • If size is omitted, the default is 2048*2048.
  • max_images is an upper limit, not a guarantee of the number of images returned. State the desired count clearly in your prompt.
  • Custom sizes must contain between 3,686,400 and 16,777,216 total pixels, with a width-to-height ratio between 1:16 and 16:1. Both conditions must be met.
  • Total pixels are calculated as width × height. Not every combination shown by the size controls meets these limits.
  • Specify dimensions through size; separate width and height parameters are not supported.

Related Models

Note:This website uses AI models provided by third parties. Documentation prices are for reference and may be outdated. The Generate button shows an estimate; the final task charge prevails.

Seedream v5.0 Lite Sequential API — Quick start

Grab a WaveSpeedAI API key, then call POST https://api.wavespeed.ai/api/v3/bytedance/seedream-v5.0-lite/sequential with your input as JSON. The endpoint returns a prediction id. Start polling the result endpoint around every 2 seconds, increase the interval for long-running tasks, and stop on any terminal status. On completed, read output values from data.outputs. Examples for Seedream v5.0 Lite Sequential below.

HTTP example
set -euo pipefail

: "${WAVESPEED_API_KEY:?Set WAVESPEED_API_KEY}"

REQUEST_BODY=$(cat <<'JSON'
{
    "prompt": "A cinematic shot of a city at sunset, soft golden light",
    "size": "2048*2048",
    "max_images": 1,
    "output_format": "jpeg"
}
JSON
)

# 1. Submit the prediction.
SUBMIT_RESPONSE=$(curl --silent --show-error --fail-with-body \
  -X POST "https://api.wavespeed.ai/api/v3/bytedance/seedream-v5.0-lite/sequential" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $WAVESPEED_API_KEY" \
  -d "$REQUEST_BODY")

TASK=$(printf '%s' "$SUBMIT_RESPONSE" | jq 'if has("data") then .data else . end')
PREDICTION_ID=$(printf '%s' "$TASK" | jq -r '.id')
if [ -z "$PREDICTION_ID" ] || [ "$PREDICTION_ID" = "null" ]; then
  printf 'Submission response did not contain a prediction id
' >&2
  exit 1
fi
RESULT_URL="https://api.wavespeed.ai/api/v3/predictions/$PREDICTION_ID/result"

# 2. Poll until the prediction finishes.
while true; do
  RESPONSE=$(curl --silent --show-error --fail-with-body "$RESULT_URL" \
    -H "Authorization: Bearer $WAVESPEED_API_KEY")
  RESULT=$(printf '%s' "$RESPONSE" | jq 'if has("data") then .data else . end')
  STATUS=$(printf '%s' "$RESULT" | jq -r '.status')
  case "$STATUS" in
    completed) printf '%s\n' "$RESULT" | jq '.outputs'; break ;;
    failed|cancelled|timeout|deleted) printf '%s\n' "$RESULT" | jq . >&2; exit 1 ;;
    *) sleep 2 ;;
  esac
done
Node.js example
const submitUrl = "https://api.wavespeed.ai/api/v3/bytedance/seedream-v5.0-lite/sequential";
const apiKey = process.env.WAVESPEED_API_KEY;
if (!apiKey) throw new Error('Set WAVESPEED_API_KEY');

async function requestJson(url, options = {}) {
  const response = await fetch(url, options);
  if (!response.ok) throw new Error(await response.text());
  return response.json();
}

// 1. Submit the prediction.
const body = await requestJson(submitUrl, {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${apiKey}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
        "prompt": "A cinematic shot of a city at sunset, soft golden light",
        "size": "2048*2048",
        "max_images": 1,
        "output_format": "jpeg"
}),
});
const task = body.data ?? body;
if (!task.id) throw new Error("Submission response did not contain a prediction id");
const resultUrl = `https://api.wavespeed.ai/api/v3/predictions/${task.id}/result`;

// 2. Poll until the prediction finishes.
while (true) {
  const resultBody = await requestJson(resultUrl, {
    headers: { "Authorization": `Bearer ${apiKey}` },
  });
  const result = resultBody.data ?? resultBody;
  if (result.status === "completed") {
    console.log(result.outputs);
    break;
  }
  if (["failed", "cancelled", "timeout", "deleted"].includes(result.status)) throw new Error(JSON.stringify(result));
  await new Promise(resolve => setTimeout(resolve, 2000));
}
Python example
import json
import os
import time
from urllib.request import Request, urlopen

api_key = os.environ["WAVESPEED_API_KEY"]
headers = {"Authorization": f"Bearer {api_key}", "Content-Type": "application/json"}
payload = {
    "prompt": "A cinematic shot of a city at sunset, soft golden light",
    "size": "2048*2048",
    "max_images": 1,
    "output_format": "jpeg"
}

def request_json(url, data=None):
    request = Request(url, data=data, headers=headers, method="POST" if data else "GET")
    with urlopen(request) as response:
        return json.load(response)

# 1. Submit the prediction.
body = request_json("https://api.wavespeed.ai/api/v3/bytedance/seedream-v5.0-lite/sequential", json.dumps(payload).encode())
task = body.get("data", body)
if not task.get("id"):
    raise RuntimeError("Submission response did not contain a prediction id")
result_url = f"https://api.wavespeed.ai/api/v3/predictions/{task['id']}/result"

# 2. Poll until the prediction finishes.
while True:
    result_body = request_json(result_url)
    result = result_body.get("data", result_body)
    status = result.get("status")
    if status == "completed":
        print(result.get("outputs", []))
        break
    if status in {"failed", "cancelled", "timeout", "deleted"}:
        raise RuntimeError(result)
    time.sleep(2)

Seedream v5.0 Lite Sequential API — Frequently asked questions

What is the Seedream v5.0 Lite Sequential API?

Seedream v5.0 Lite Sequential is a ByteDance model for image generation, exposed as a REST API on WaveSpeedAI. Seedream 5.0 Lite Sequential generates multi-image sets with consistent characters and objects, unifying palette, lighting, and style across all outputs. Supports up to 4K results for campaigns, storyboards, and product lines. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing. You can call it programmatically or try it from the playground above.

How do I call the Seedream v5.0 Lite Sequential API?

POST your input parameters to the model's REST endpoint (shown in the API tab of this playground) with your WaveSpeedAI API key in the Authorization header. Submission returns a prediction ID. Poll the result endpoint starting around every 2 seconds, increase the interval for long-running tasks, and stop on any terminal status. The playground generates Python, JavaScript, and cURL examples for submitting requests and polling results. Full request/response shape is documented at https://wavespeed.ai/docs/docs-api/bytedance/bytedance-seedream-v5.0-lite-sequential.

How much does Seedream v5.0 Lite Sequential cost per run?

Seedream v5.0 Lite Sequential starts at $0.035 per run. That figure is the base price — the final charge scales with the parameters you set in the form (output size, length, count, references, or whatever knobs this model exposes), so a higher-quality or larger output costs more than a minimal one. The exact cost for your current input is shown live next to the Generate button before you submit, and the actual per-call charge is recorded on the prediction afterwards.

What inputs does Seedream v5.0 Lite Sequential accept?

Key inputs: `prompt`, `size`, `enable_base64_output`, `enable_sync_mode`, `max_images`, `output_format`. The full JSON schema (types, defaults, allowed values) is rendered above the Generate button and mirrored in the API reference at https://wavespeed.ai/docs/docs-api/bytedance/bytedance-seedream-v5.0-lite-sequential.

How long does Seedream v5.0 Lite Sequential take to generate?

Reported generation time on WaveSpeedAI is around 42 seconds per request. This is an estimate, not a latency guarantee; queue time and input settings can change the total wait. live status is visible in the prediction record.

Can I use Seedream v5.0 Lite Sequential outputs commercially?

Commercial usage rights depend on the model's license, set by its provider (ByteDance). Check the provider's applicable terms and WaveSpeedAI's Terms of Service before commercial use.

llms.txt — bytedance/seedream-v5.0-lite/sequential for AI agents and LLMs