FLUX.1 Dev

Stack Score

Editorial pick✓ Verified working

FLUX.1 Dev

Open-weights middle-tier FLUX model.

Try FLUX.1 Dev

Best for

Best for researchers + creators wanting near-frontier open image gen.

At a glance

Pricing: open-source
Setup time: 1 hour
Learning curve: moderate
Last verified: 5/26/2026

What we love

✓Highest-quality open-ish image model
✓Self-hostable
✓Active fine-tuning community

Where it falls short

−Non-commercial license — commercial needs Pro
−Heavy GPU needed for self-host
−Less polish than Pro

Pricing

✓ Pricing verified Jun 21, 2026

2 tiers

Open-source (NC)

perpetual

✓Non-commercial only

Hosted

Usage

per image

✓Replicate
✓Fal.ai

Overview

FLUX.1 Dev is the middle-tier FLUX model — open weights for non-commercial + research use, near-Pro quality, runs on a single H100.

Key features

●Near-Pro quality
●Open weights (non-commercial)
●12B parameters
●Hugging Face hosted
●Strong text rendering

Best use cases

Research + non-commercial use

Run FLUX Dev locally for personal projects or research.

Fine-tuning base

Fine-tune FLUX Dev on custom imagery for niche applications.

Integrations

Hugging Face

Replicate

Fal.ai

ComfyUI

Automatic1111

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