LLM AtlasLLM AtlasSearch models

Provider analysis

Black Forest Labs

Creator of FLUX image generation models, offering both open-weight and API-based text-to-image systems.

Last verified: 2026-03-29Confidence: HighPrimary sources: 4

This provider page blends full-profile entries with broader verified listings. Use it to separate deeply evaluated flagship models from source-backed records that are tracked primarily for market visibility, access data, and freshness coverage.

Headquarters
Freiburg, Germany
Founded
2024
Models tracked
15
Full-profile models
3
Catalog last verified
2026-03-29
Latest model verification
2026-03-29
Newest release tracked
2025-08-24
Confidence
High
Verified listings
12
Access mix
api, hosted, open-weight, self-hosted
API models
15

Tracked models available through provider-managed APIs.

Open-weight models
12

Models with downloadable weights or self-hosted distribution paths.

Primary source links
72

Total source references attached across this provider catalog.

Provider sources

Official links used to verify the provider profile and platform coverage.

Last verified: 2026-03-29

Black Forest Labs

FLUX 1.1 Pro

FLUX

Black Forest Labs' flagship FLUX 1.1 Pro for high-quality text-to-image generation via API.

Score 514 sources
imagevisionapihosted
Context
512
Input
$0.004/1K tok
Output
$0.004/1K tok
Coverage
Full profile

Black Forest Labs

FLUX 1.1 Pro Ultra

FLUX

Black Forest Labs' FLUX 1.1 Pro Ultra for ultra-high-resolution 4MP image generation via API.

Score 514 sources
imagevisionapihosted
Context
512
Input
$0.006/1K tok
Output
$0.006/1K tok
Coverage
Full profile

Black Forest Labs

FLUX 1 Pro

FLUX

Black Forest Labs' original FLUX 1 Pro for high-quality text-to-image via API.

Score 494 sources
imagevisionapihosted
Context
512
Input
$0.005/1K tok
Output
$0.005/1K tok
Coverage
Full profile

Black Forest Labs

FLUX 1 Dev

FLUX

Black Forest Labs' 12B parameter FLUX 1 Dev for open-weight text-to-image generation with guidance distillation.

Verified listing5 sources
imagevisionopen-sourceopen-weightself-hostedapi
Context
512
Input
Unpublished
Output
Unpublished
Coverage
Verified 2026-03-29

Black Forest Labs

FLUX 1 Schnell

FLUX

Black Forest Labs' 12B FLUX 1 Schnell for ultra-fast image generation in 1-4 steps with Apache 2.0 license.

Verified listing5 sources
imagevisionopen-sourceopen-weightself-hostedapi
Context
512
Input
Unpublished
Output
Unpublished
Coverage
Verified 2026-03-29

Black Forest Labs

FLUX 1 Fill Dev

FLUX

Black Forest Labs' FLUX 1 Fill Dev for inpainting and outpainting with open weights.

Verified listing5 sources
imagevisionopen-sourceopen-weightself-hostedapi
Context
512
Input
Unpublished
Output
Unpublished
Coverage
Verified 2026-03-29

Black Forest Labs

FLUX 1 Depth Dev

FLUX

Black Forest Labs' FLUX 1 Depth Dev for depth-aware image generation and structural editing.

Verified listing5 sources
imagevisionopen-sourceopen-weightself-hostedapi
Context
512
Input
Unpublished
Output
Unpublished
Coverage
Verified 2026-03-29

Black Forest Labs

FLUX 1 Canny Dev

FLUX

Black Forest Labs' FLUX 1 Canny Dev for edge-aware image generation using Canny edge detection.

Verified listing5 sources
imagevisionopen-sourceopen-weightself-hostedapi
Context
512
Input
Unpublished
Output
Unpublished
Coverage
Verified 2026-03-29

Black Forest Labs

FLUX 1 Redux Dev

FLUX

Black Forest Labs' FLUX 1 Redux Dev for image variation and style transfer with open weights.

Verified listing5 sources
imagevisionopen-sourceopen-weightself-hostedapi
Context
512
Input
Unpublished
Output
Unpublished
Coverage
Verified 2026-03-29

Black Forest Labs

FLUX 1 Krea Dev

FLUX

Black Forest Labs' FLUX 1 Krea Dev developed in partnership with Krea AI for enhanced creative image generation.

Verified listing5 sources
imagevisionopen-sourceopen-weightself-hostedapi
Context
512
Input
Unpublished
Output
Unpublished
Coverage
Verified 2026-03-29

Black Forest Labs

FLUX 2 Dev

FLUX.2

Black Forest Labs' 32B parameter FLUX.2 Dev, the state-of-the-art open text-to-image model with single and multi-reference editing. 987K monthly downloads on HuggingFace.

Verified listing5 sources
imagevisionopen-sourceopen-weightself-hostedapi
Context
512
Input
Unpublished
Output
Unpublished
Coverage
Verified 2026-03-29

Black Forest Labs

FLUX 2 Klein 9B

FLUX.2

Black Forest Labs' 9B FLUX.2 Klein for sub-second image generation with 4 inference steps. Matches models 5x its size in quality. Requires ~29GB VRAM (RTX 4090+).

Verified listing5 sources
imagevisionopen-sourceopen-weightself-hostedapi
Context
512
Input
Unpublished
Output
Unpublished
Coverage
Verified 2026-03-29

Black Forest Labs

FLUX 2 Klein 4B

FLUX.2

Black Forest Labs' 4B FLUX.2 Klein with Apache 2.0 license for fast, commercial-use image generation. 268K monthly downloads.

Verified listing5 sources
imagevisionopen-sourceopen-weightself-hostedapi
Context
512
Input
Unpublished
Output
Unpublished
Coverage
Verified 2026-03-29

Black Forest Labs

FLUX 2 Klein 9B KV

FLUX.2

Black Forest Labs' FLUX.2 Klein 9B KV variant with key-value cache optimization for even faster inference.

Verified listing5 sources
imagevisionopen-sourceopen-weightself-hostedapi
Context
512
Input
Unpublished
Output
Unpublished
Coverage
Verified 2026-03-29

Black Forest Labs

FLUX 1 Kontext Dev

FLUX.1

Black Forest Labs' FLUX 1 Kontext Dev for context-aware image editing with 95.6K downloads on HuggingFace.

Verified listing5 sources
imagevisionopen-sourceopen-weightself-hostedapi
Context
512
Input
Unpublished
Output
Unpublished
Coverage
Verified 2026-03-29