FLUX is Black Forest Labs's language model. Black Forest Labs' flagship text-to-image generation model based on a rectified flow transformer architecture.
Specifications
Canonical IDblack-forest-labs-flux
TypeLanguage
StatusActive
CreatorBlack Forest LabsBlack Forest Labs
Input ModalitiesText
Output ModalitiesText

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
FLUX 2 DevAvailable
FLUX 2 Dev FlashAvailable
FLUX 2 Dev TurboAvailable
FLUX 2 FlexAvailable
FLUX 2 Max67KAvailable
FLUX Klein 2 4BAvailable
FLUX Klein 2 4B BaseAvailable
FLUX Klein 2 9BAvailable
FLUX Klein 2 9B BaseAvailable
FLUX.1 Fill ProAvailable
FLUXCurrent

Model IDs