5.5B![FLUX.1 [dev] launch post cover](https://cdn.verticaltabs.com/cdn-cgi/image/width=640,quality=80,format=auto/aimodels/covers/v1/og-5ba4aa5a9a44bf7957c7f913/cover)
- Pricing
- Not published
- Released
- 2y ago
Cost
FLUX.1 [dev] is an open-weight text-to-image model from Black Forest Labs and part of the FLUX.1 suite the company launched as its first model family. The maker describes it as a guidance-distilled model distilled directly from FLUX.1 [pro], claiming similar quality and prompt adherence while being more efficient than a standard model of the same size. It is built for non-commercial text-to-image synthesis.
How it compares
Additional source evidence
- Source model
- black-forest-labs/flux-1-dev
- Source family
- flux
- Source type
- image
- Last updated
- 2024-08-01
- Model context
- —
- Model output limit
- —
- Open weights
- Yes
- File attachments
- No
- Reasoning
- No
- Tool calling
- No
- Temperature control
- No
Downloadable weights
Complete source record (JSON)
{
"id": "black-forest-labs/flux-1-dev",
"name": "FLUX.1 [dev]",
"description": "Open-weight FLUX.1 text-to-image model for high-quality guidance-distilled generation",
"family": "flux",
"type": "image",
"last_updated": "2024-08-01",
"attachment": false,
"reasoning": false,
"tool_call": false,
"temperature": false,
"modalities": {
"input": [
"text"
],
"output": [
"image"
]
},
"limit": {
"context": 0,
"output": 0
},
"release_date": "2024-08-01",
"open_weights": true,
"license": "FLUX.1 [dev] Non-Commercial License",
"weights": [
{
"label": "Hugging Face",
"url": "https://huggingface.co/black-forest-labs/FLUX.1-dev"
}
]
}Frequently asked questions
Quality and benchmarks
The closest alternatives are Stable Diffusion 3 Medium by Stability AI, Stable Diffusion 3.5 Large by Stability AI, and Midjourney V6.1 by Midjourney, matched on model kind and release date, with no comparable price.
Stable Diffusion 3 MediumFLUX.1 [dev] vs Stable Diffusion 3 MediumStable Diffusion 3.5 LargeFLUX.1 [dev] vs Stable Diffusion 3.5 LargeMidjourney V6.1FLUX.1 [dev] vs Midjourney V6.1
Licensing and access
FLUX.1 [dev] is open weights, not open source. It is released under the FLUX.1 [dev] Non-Commercial License.
The FLUX.1 [dev] weights can be downloaded from the Hugging Face repository black-forest-labs/FLUX.1-dev.
Basics
FLUX.1 [dev] was made by Black Forest Labs and released on August 1, 2024.
Yes, it is an open-weights model.
Media
No, image editing via image input is not listed for FLUX.1 [dev].
FLUX.1 [dev] ranks 80 on the Arena Text to Image leaderboard (Arena's own rank), with a score of 969.
Generated from Vertical Tabs data, updated November 6, 2026.
Discussion
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