Stable Diffusion 3.5

Stable Diffusion 3.5 is Stability's image model, tagged Fast and Open Source in the Studio picker. It makes images from a text prompt only. The price is flat at 126 credits per image at every aspect ratio.

#At a glance

Maker

Stability

Type

Image model

Modes

Text 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

Not accepted. This model works from a text prompt only.

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 Stable Diffusion 3.5

   Open the model picker, which groups models by maker, and choose Stable Diffusion 3.5.

3. 3

   Step 3: Write your prompt

   Describe the image. Stable Diffusion 3.5 works from text only, so there is no reference image to attach.

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. Stable Diffusion 3.5 is available on every plan, including Free; credits are the limit.
• No reference image. If you attach one, the Studio says "Stable Diffusion 3.5 can't use a reference image — remove it or pick another model".
• If a generation fails, the credits are refunded. The Studio does not run a different model in its place.

#Common questions