# FLUX 1 Dev

> FLUX 1 Dev is available on Artifio.ai — a unified AI workspace with a single pay-as-you-go wallet.

- Canonical page: https://artifio.ai/models/bfl-flux-1-dev
- Run it: https://artifio.ai/create/bfl-flux-1-dev
- Modality: prompt to image
- Model brand: Black Forest Labs
- Pricing: from about $0.004 per generation (exact cost shown in the workspace before you confirm; varies with selected options)
- Typical generation time: ~20s (catalogue estimate)
- Full pricing table: https://artifio.ai/pricing/models

## About FLUX 1 Dev

FLUX 1 Dev is the open-weight midpoint of the FLUX.1 text-to-image family that Black Forest Labs launched on 1 August 2024. It is a 12-billion-parameter rectified flow transformer distilled directly from the proprietary FLUX.1 pro, trained with guidance distillation so it runs more efficiently while keeping similar output quality. The weights are public under the FLUX.1 non-commercial license.

At launch Black Forest Labs published benchmark results claiming FLUX.1 pro and dev beat Midjourney v6.0, DALL-E 3 HD and SD3-Ultra on visual quality, prompt adherence, typography and output diversity. On Artifio, FLUX 1 Dev sits in one workspace beside 100+ other models with a single pay-per-generation wallet.

## Features

- 12-billion-parameter rectified flow transformer with multimodal and parallel diffusion transformer blocks and rotary positional embeddings
- Trained with guidance distillation and distilled directly from FLUX.1 pro for comparable quality at higher efficiency
- Supports varied aspect ratios and resolutions between 0.1 and 2.0 megapixels
- Open weights published for research and non-commercial use, with generated images usable for personal, scientific and commercial purposes under the license terms
- Prompt following that the maker describes as matching closed-source alternatives

## What people use it for

- General text-to-image work where quality matters more than raw speed, such as marketing drafts and concept art
- Research and experimentation on a strong open-weight base model
- Typography-heavy compositions, an area the launch benchmarks called out as a strength
- Self-hosted or customized pipelines built on publicly available weights

## Reported strengths

- Quality close to the proprietary FLUX.1 pro, since it is a direct distillation of that model
- Launch benchmarks from Black Forest Labs placed it ahead of Midjourney v6.0, DALL-E 3 HD and SD3-Ultra across quality and prompt-adherence measures
- Press testing of the FLUX.1 launch family reported prompt fidelity comparable to DALL-E 3, photorealism close to Midjourney v6 and clearly improved hand rendering versus Stable Diffusion XL

## Reported limitations

- The weights carry a non-commercial license; deploying the model itself commercially requires a separate agreement with Black Forest Labs
- The official model card says the model cannot reliably provide factual information and may amplify societal biases present in its training data
- Output quality depends heavily on prompting style, so prompt following is inconsistent across phrasings
- Black Forest Labs has not disclosed the training data, which drew criticism in press coverage of the launch

## Sources

1. Announcing Black Forest Labs (Black Forest Labs): https://bfl.ai/announcements/24-08-01-bfl
2. FLUX.1 [dev] model card (Black Forest Labs (Hugging Face)): https://huggingface.co/black-forest-labs/FLUX.1-dev
3. FLUX.1 (Wikipedia): https://en.wikipedia.org/wiki/FLUX.1

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