Seedream 5 Flash API for Developers
Seedream 5 Flash API
Generate and edit images with ByteDance's Seedream 5 Flash via API. One low price per image at every supported resolution — no GPU setup required.
No watermarks with paid plans
Transparent per-credit pricing
Subscriptions or usage-based billing
8 aspect ratios
Auto-scaling
Night market
Neon street
Flower field
Poolside fashion
Beauty portrait
Fountain splash
Tropical split
Character sheet
Pet UI
Product triptych
Studio headshot
Study notes
Trusted by teams at
Everything You Need to Ship Seedream 5 Flash
Low-cost image generation and multi-image editing up to 2K.
Low Cost per Image
30 credits per image at 640px, 1K, or 2K, for generation and editing alike.
Text to Image and Editing
Generate from a prompt, or send input images with an edit instruction to the image editor endpoint.
Multi-Image Edits
Combine a source image with up to 9 additional images in one edit.
Wide Aspect Ratio Support
8 aspect ratios including auto, 16:9, 9:16, 4:3, 3:2, 1:1, 4:5, and 2:3.
Auto-Scaling Infrastructure
Scales compute to match demand automatically. No GPU provisioning or cold starts.
Commercial-Ready
Paid subscriptions support non-watermarked outputs for commercial delivery.
Integrate in 3 Steps
Add low-cost AI image generation and editing to your app in minutes.
1
Get Your API Key
Sign up and generate an API key from the Developer dashboard. Seedream 5 Flash requires a Creator, Pro, or Business plan.
2
Send Your Request
Upload your source image and provide a natural language edit instruction to the AI image editor endpoint with the seedream-v5-flash model.
3
Get Results & Scale
Receive the finished image via response. Deploy to production — infrastructure scales automatically.
Code Examples
Seedream 5 Flash in a few lines of code. Install an SDK or use the REST API directly.
from magic_hour import Client
from os import getenv
client = Client(token=getenv("MAGIC_HOUR_API_KEY"))
res = client.v1.ai_image_editor.generate(
assets={"image_file_paths": ["/path/to/source.png"]},
image_count=1,
model="seedream-v5-flash",
name="Seedream 5 Flash Edit",
aspect_ratio="1:1",
resolution="1k",
style={"prompt": "Change the jacket to red while keeping everything else the same"},
)Estimate Your API Costs
Every generation uses credits. Prepay with a subscription or one-time credit packs, or request usage-based billing for monthly invoicing and volume discounts.
Pricing tier options
USD subscription prices. Image allowances use Z-Image Turbo at 1K (5 credits/image); video allowances use LTX-2.5 at 480p. These reference allowances do not describe every endpoint. Choose your tool, model, and settings below for its estimate.
Images Per Month
10 images
images
Recommended plan
Pro Yearly
$300
/year
300,000 credits per year
Up to 3.5 hours of video
Up to 60,000 images
Selected plan: Pro Yearly
PRO YEARLY covers your usage
- 15,000credits / month
- 25,000credits / month
- 10,000credits / month
Estimated usage
Included
Remaining headroom
TOTAL BILL
$300
/year
SDKs for Every Stack
Official open-source SDKs with full TypeScript/type support. Install and start building.
Seedream 5 Flash API Pricing
Subscription plans for standard usage.
Need usage-based billing?
Email us or message us in Intercom for monthly billing with graduated volume discounts.
Built for Builders
See how developers use the Seedream 5 Flash API to power real products.
Bulk Creative Variations
Generate many variations of an ad or product shot at a low cost per image.
Early Concepts
Explore directions cheaply before spending on a premium final render.
Routine Product Edits
Swap colors, backgrounds, and details across a catalog.
High-Volume Pipelines
Keep per-image cost predictable in automated image workflows.
Try before integrating
Try Seedream 5 Flash Free — No Code Required
Test quality first with the free tool, then plug the same output quality into your app with the API when you are ready.
Seedream 5 Flash API — Frequently Asked Questions
Magic Hour's Seedream 5 Flash API lets developers generate and edit images using ByteDance's lower-cost Seedream 5 model via REST API.
Seedream 5 Flash costs less per image and suits drafts and high-volume work. Seedream 5 Pro costs more and is the choice for final assets that need the most detail. Both stop at 2K.
No. Seedream 5 Flash supports 640px, 1K, and 2K. Use Seedream 4.5 when you need 4K.
auto, 16:9, 9:16, 4:3, 3:2, 1:1, 4:5, and 2:3.
Official SDKs for Python, Node.js, Go, and Rust.
Magic Hour offers subscription plans starting at $19/month (Creator), $39/month (Pro), and $99/month (Business), each including a monthly credit allotment. Seedream 5 Flash costs 30 credits per image at 640px, 1K, or 2K, for generation and editing (no 4K). Usage-based billing with graduated volume discounts is available by request.
Signing up is free and gives you an API key, but Seedream 5 Flash is not available on the free tier — it requires a paid plan (Creator, Pro, or Business).