Why choose Stable Diffusion 3?
SD3 is currently one of the most mature open-source solutions in the field of image generation, solving the long-standing pain points of AI image generation being difficult to render text and complex compositions.
Free Stable Diffusion 3 API
Updated 5/11/2026
The latest Stable Diffusion model with improved text rendering and composition.
About the Model
Try it in your browser
Pick a model, paste your own free key, and run. Your key is sent once to call the provider and never stored on our servers.
Pick a model, paste your own free key, and run. Your key is sent once to call the provider and never stored on our servers.
How to call Stable Diffusion 3
curl
curl https://api.cloudflare.com/client/v4/accounts/$CF_ACCOUNT_ID/ai/run/@cf/stabilityai/stable-diffusion-xl-base-1.0 \
-H "Authorization: Bearer $CF_API_TOKEN" \
-d '{"messages": [{"role": "user", "content": "Hello!"}]}'Provider Details
The following platforms provide free access to Stable Diffusion 3 through free tiers, trial credits, or daily quotas.
| Provider | Context Window | Free Quota | Requires CC | Trust | Action |
|---|---|---|---|---|---|
| Cloudflare Workers AI | N/A | 100 requests per day | No | Trust 99 | Details |
Frequently Asked Questions
Is Stable Diffusion 3 free to use?
Yes. Stable Diffusion 3 is available for free through 1 provider(s) listed below, with no purchase required.
What are the rate limits and quotas?
Free access varies by provider — Cloudflare Workers AI: Rate Limit.
How do I get a free Stable Diffusion 3 API key?
Sign up with Cloudflare Workers AI, then create an API key from your dashboard. See the provider details above for the exact steps.
Which providers offer Stable Diffusion 3 for free?
Stable Diffusion 3 is currently available for free via: Cloudflare Workers AI.
Know another free provider for Stable Diffusion 3?
Help the community by sharing other ways to access this model for free.