Free FLUX.1 [schnell] image API via Cloudflare Workers AI — high-quality text-to-image in 1-8 steps within 10,000 free Neurons/day.
FLUX.1 [schnell] is Black Forest Labs' speed-distilled text-to-image model that produces high-quality images in just 1-8 diffusion steps — ideal for fast previews and interactive generation.
Excellent prompt adherence and detail for a distilled model — a great default for free, fast image generation.
Covered by Cloudflare Workers AI's 10,000 free Neurons per day via the /ai/run endpoint. Returns a Base64-encoded image.
Generate images with FLUX.1 [schnell] through Cloudflare's global edge using the unified /ai/run REST endpoint. Every Cloudflare account includes 10,000 Neurons per day for free. The response is a Base64-encoded image in result.image.
Use your own Cloudflare Account ID and an API token with Workers AI access via Authorization: Bearer <token>.
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.
Your generated image will appear here.
curl https://api.cloudflare.com/client/v4/accounts/$CF_ACCOUNT_ID/ai/run/@cf/black-forest-labs/flux-1-schnell \
-H "Authorization: Bearer $CF_API_TOKEN" \
-d '{"prompt":"a serene mountain lake at sunrise, photorealistic"}'import os, base64, requests
account = os.environ["CF_ACCOUNT_ID"]
token = os.environ["CF_API_TOKEN"]
resp = requests.post(
f"https://api.cloudflare.com/client/v4/accounts/{account}/ai/run/@cf/black-forest-labs/flux-1-schnell",
headers={"Authorization": f"Bearer {token}"},
json={"prompt": "a serene mountain lake at sunrise, photorealistic"},
)
image_b64 = resp.json()["result"]["image"]
with open("output.png", "wb") as f:
f.write(base64.b64decode(image_b64))