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Free FLUX.1 [schnell] API

Updated 6/9/2026

Generate images fast with Black Forest Labs' FLUX.1 [schnell] — high quality in 1-8 steps — free on Cloudflare Workers AI.

About the Model

Why use FLUX.1 [schnell]?

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.

Capabilities

Excellent prompt adherence and detail for a distilled model — a great default for free, fast image generation.

Why it's free

Covered by Cloudflare Workers AI's 10,000 free Neurons per day via the /ai/run endpoint. Returns a Base64-encoded image.

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.

How to call FLUX.1 [schnell]

curl

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"}'

python

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))

Provider Details

The following platforms provide free access to FLUX.1 [schnell] through free tiers, trial credits, or daily quotas.

Provider	Context Window	Free Quota	Requires CC	Trust	Action
Cloudflare Workers AI	N/A	Rate Limit 100 requests per day	No	Trust 99	Details

Frequently Asked Questions

Is FLUX.1 [schnell] free to use?

Yes. FLUX.1 [schnell] 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 FLUX.1 [schnell] 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 FLUX.1 [schnell] for free?

FLUX.1 [schnell] is currently available for free via: Cloudflare Workers AI.

Know another free provider for FLUX.1 [schnell]?

Help the community by sharing other ways to access this model for free.