FLUX 2 Dev Flash is Black Forest Labs's image generation model. A fast-inference variant of FLUX 2 Dev optimized by Fal for rapid text-to-image generation with reduced latency.
Specifications
Canonical IDblack-forest-labs-flux-2-dev-flash
TypeImage Generation
StatusActive
CreatorBlack Forest LabsBlack Forest Labs
Input ModalitiesText
Output ModalitiesImage

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 3 Image———Available
FLUX 3 Video———Available
FLUX 3————Available
FLUX Klein 2 4B———Available
FLUX Klein 2 9B———Available
FLUX 2 Max67K——Available
FLUX 2 Flex32K——Available
FLUX 2 Dev Flash————Current
FLUX 2 Dev————Available
FLUX 2 Dev Turbo————Available
FLUX 2 Small Decoder————Available

Model IDs

black-forest-labs-flux-2-dev-flash
fal_flux-2-dev-flash