Available through Replicate — FLUX

flux-dev

flux-dev on replicate · Replicate

What it takes and gives

a prompt → an image · seed, steps, guidance, aspect ratio, variations

Best fordeclared, not tested

General-purpose concept art and character portraits.

Good at

prompt adherencecoherent anatomypainterlyphotoreal

Not for

no negative prompt — it is guidance-distilled

Licence

FLUX.1 [dev] Non-Commercial License v2.0 · Commercial use: under Replicate’s terms

Made by Black Forest Labs

Every model's licence

What comes out

Production quality — 1024px typical on the shorter side, across 8 images

Speed and reliability

Replicate: 2 runs in 30 days · 100% completed

Also runs on

flux-schnell on Fal.ai · ≈ 0.39 creditsIn app · own key on API
flux-2-klein-4b on Fal.ai · ≈ 0.91 creditsIn app · own key on API
flux-dev on Fal.ai · ≈ 3.25 creditsIn app · own key on API
flux-pro on Fal.ai · ≈ 3.25 creditsIn app · own key on API
qwen-image on Fal.ai · ≈ 3.25 creditsIn app · own key on API
sd-3.5 on Fal.ai · ≈ 3.25 creditsIn app · own key on API

Run it from code

With a team API key and a project id. The run answers with a jobId; poll GET /api/v1/runs/{jobId} for the image.

# 1. Once: a workflow that runs flux-dev (returns workflowId)
curl -X POST "https://app.sushibelt.ai/api/v1/workflows" \
  -H "Authorization: Bearer $SUSHIBELT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"name":"flux-dev","projectId":"'"$PROJECT_ID"'","steps":[{"key":"subject","type":"TextEntry","config":{"text":"a red fox in the snow","apiInputKey":"prompt"}},{"key":"image","type":"DiffusionWorker","config":{"providerKey":"replicate","model":"flux-dev"},"inputs":["subject"]}]}'

# 2. Run it, with your own prompt
curl -X POST "https://app.sushibelt.ai/api/v1/workflows/$WORKFLOW_ID/runs" \
  -H "Authorization: Bearer $SUSHIBELT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"inputs":{"prompt":"a red fox in the snow"}}'

Where it runs

In app · own key on APIRuns in the app on Sushibelt's Replicate account. Through the API it runs only on your own Replicate key.

Runs on your own Replicate key, or on credits

On your own key, Replicate’s terms apply to your team directly.

How it’s used →