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Seedream 5.0 Flash API

The fastest, lowest-cost Seedream

bytedance/seedream-5.0-flash/text-to-image bytedance/seedream-5.0-flash/edit

FromUp to −39%

$0.011/img$0.018

per image · 1K

Open in Studio API

Try Seedream 5.0 Flash

Runs on your balance at the price shown on the button. Results are saved to your account.

Open full-screen Studio

Prompt*

0/5000

Aspect ratio

Output image shape.

Size

1K ≈ 1 megapixel, 2K ≈ 4 megapixels.

Estimated cost…

Create a free account with Google or email — pay only for what you generate.

Your image will appear here

Write a prompt, pick your settings and hit Run. You only pay for successful generations.

What is Seedream 5.0 Flash?

Seedream 5.0 Flash is the fastest and most affordable Seedream 5.0 model for real-time and high-volume image generation and editing.

Fastest

Low-latency generations

Lowest price

Cheapest Seedream

Edit & generate

Text-to-image and edits

Fast turnaround

Seconds per image

Speed first

Flash is optimized for latency and cost — ideal for interactive apps, previews and large batch jobs where every cent counts.

Seedream 5.0 Flash pricing

Pay per image. No subscription. Failed generations are refunded automatically.

Tier	Official price	Cheaper Gen.	You save
1K ≈1 MP	~~$0.018~~/img	$0.011/img	−39%
2K ≈4 MP	~~$0.018~~/img	$0.011/img	−39%

Official price: BytePlus ModelArk official price ($0.018 per image). Prices verified 2026-10-14.

Specifications

Sizes: 1K · 2K
Aspect ratios: 1:1 · 4:3 · 3:4 · 16:9 · 9:16 · 3:2 · 2:3 · 21:9
Released: Sep 10, 2026

Use Seedream 5.0 Flash via API

One request to start a job, one to fetch the result. Same shape for every model.

Full API reference

import os, time, requests

API = "https://cheapergen.com/api/v1"
headers = {"Authorization": f"Bearer {os.environ['CHEAPERGEN_API_KEY']}"}

# 1. Submit the job
job = requests.post(f"{API}/run/bytedance/seedream-5.0-flash/text-to-image", headers=headers, json={
    "prompt": "Editorial product photo of a matte-black espresso machine on travertine, soft window light, 85mm",
    "aspect_ratio": "1:1",
    "size": "2K"
}).json()

# 2. Poll until it finishes (or pass "webhook_url" and skip polling)
while job["status"] in ("queued", "running"):
    time.sleep(3)
    job = requests.get(f"{API}/generations/{job['id']}", headers=headers).json()

print(job["status"], job["output"]["images"][0]["url"] if job["status"] == "succeeded" else job["error"])

const API = "https://cheapergen.com/api/v1";
const headers = {
  Authorization: `Bearer ${process.env.CHEAPERGEN_API_KEY}`,
  "Content-Type": "application/json",
};

// 1. Submit the job
let job = await fetch(`${API}/run/bytedance/seedream-5.0-flash/text-to-image`, {
  method: "POST",
  headers,
  body: JSON.stringify({
    "prompt": "Editorial product photo of a matte-black espresso machine on travertine, soft window light, 85mm",
    "aspect_ratio": "1:1",
    "size": "2K"
  }),
}).then((r) => r.json());

// 2. Poll until it finishes (or pass webhook_url and skip polling)
while (job.status === "queued" || job.status === "running") {
  await new Promise((r) => setTimeout(r, 3000));
  job = await fetch(`${API}/generations/${job.id}`, { headers }).then((r) => r.json());
}

console.log(job.status === "succeeded" ? job.output.images[0].url : job.error);

curl -X POST https://cheapergen.com/api/v1/run/bytedance/seedream-5.0-flash/text-to-image \
  -H "Authorization: Bearer $CHEAPERGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "prompt": "Editorial product photo of a matte-black espresso machine on travertine, soft window light, 85mm",
  "aspect_ratio": "1:1",
  "size": "2K"
}'

Text to Image

bytedance/seedream-5.0-flash/text-to-image

Image Edit

bytedance/seedream-5.0-flash/edit

Example prompts

Copy a prompt into the playground above to try it.

App icon of a paper plane, glossy 3D, orange gradient background
Try it

Seedream 5.0 Flash FAQ

Seedream 5.0 Flash is billed per generated image. Failed or moderated generations are not charged.

Yes — use Image Edit with one or more input images and describe the change. Reference multiple images to combine products, people and scenes.

Yes, subject to ByteDance's usage policy and our Terms of Service.

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