Home / Image Generation / Phoenix 1.0

Free Phoenix 1.0 API

Updated 6/9/2026

Generate coherent, detailed images with Leonardo AI's Phoenix 1.0 — supports negative prompts — free on Cloudflare Workers AI.

About the Model

Why use Phoenix 1.0?

Phoenix 1.0 is Leonardo AI's foundation text-to-image model, known for strong prompt coherence and fine control via guidance, seeds, and negative prompts.

Capabilities

Produces detailed images up to 2048px; negative prompts help exclude unwanted elements from your generations.

Why it's free

Covered by Cloudflare Workers AI's 10,000 free Neurons per day allowance.

> Note: as a Leonardo partner model, accept its terms once in your Cloudflare dashboard before the first call.

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.

Your generated image will appear here.

How to call Phoenix 1.0

curl
curl https://api.cloudflare.com/client/v4/accounts/$CF_ACCOUNT_ID/ai/run/@cf/leonardo/phoenix-1.0 \
  -H "Authorization: Bearer $CF_API_TOKEN" \
  -d '{"prompt":"a majestic phoenix rising from flames, cinematic","negative_prompt":"blurry, low quality"}' \
  --output output.jpg
python
import os, 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/leonardo/phoenix-1.0",
    headers={"Authorization": f"Bearer {token}"},
    json={"prompt": "a majestic phoenix rising from flames, cinematic", "negative_prompt": "blurry, low quality"},
)
with open("output.jpg", "wb") as f:
    f.write(resp.content)  # Phoenix returns raw JPEG bytes

Provider Details

The following platforms provide free access to Phoenix 1.0 through free tiers, trial credits, or daily quotas.

ProviderContext WindowFree QuotaRequires CCTrust / VerifiedAction
Cloudflare Workers AIN/ARate Limit
100 requests per day
No
Trust 99
Details

Frequently Asked Questions

Is Phoenix 1.0 free to use?

Yes. Phoenix 1.0 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 Phoenix 1.0 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 Phoenix 1.0 for free?

Phoenix 1.0 is currently available for free via: Cloudflare Workers AI.

Know another free provider for Phoenix 1.0?

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