Seedream 4.5

Seedream 4.5 is an earlier ByteDance Seedream model, listed for detailed editorial images. It takes a text prompt or one reference image. The price is flat at 74 credits per image, higher than Seedream 5 (65).

#At a glance

Maker

ByteDance

Type

Image model

Modes

Text to image and image to image

Aspect ratios

16:9, 4:3, 1:1, 3:4, 9:16. The Studio starts on 4:3.

Outputs per run

1 to 4, set with Count

Reference image

One reference image (JPEG, PNG or WEBP, up to 20 MB). A run with a reference image makes 1 image.

Resolution

No resolution choice

#What it costs

These are credits per image, as of 2026-10-10. The Studio shows the live quote for your settings before you generate, and the total it charges is that quote multiplied by Count.

The price is the same at every aspect ratio.

#Use it in Studio

1. 1

   Step 1: Open Create Image

   In Studio, open Create Image. Sign in when the Studio asks, because every generation needs an account.

2. 2

   Step 2: Choose Seedream 4.5

   Open the model picker, which groups models by maker, and choose Seedream 4.5.

3. 3

   Step 3: Write your prompt

   Describe the image. To start from a picture, attach one reference image (JPEG, PNG or WEBP, up to 20 MB).

4. 4

   Step 4: Set the output

   Choose an aspect ratio and Count from 1 to 4.

5. 5

   Step 5: Check the price and generate

   The Studio shows the credit price for your settings. It is the same price the server charges. Results appear as cards and are saved to your Library.

#Limits

• You need to be signed in to generate. Seedream 4.5 is available on every plan, including Free; credits are the limit.
• One reference image only, and a run with a reference image makes 1 image, not 1 to 4.
• If a generation fails, the credits are refunded. The Studio does not run a different model in its place.

#Common questions