Black Forest Labs logo

FLUX.1 Dev


FLUX.1 Dev is Black Forest Labs logoBlack Forest Labs's language model with a 4K context window and up to 4K output tokens, starting at $0.100 / 1M input and $0.100 / 1M output. A 12B parameter rectified flow transformer from Black Forest Labs for text-to-image generation, released for research and development use.
Spec
Canonical IDblack-forest-labs-flux-1-dev
TypeLanguage
StatusActive
CreatorBlack Forest LabsBlack Forest Labs
Providers
Context Window4K tokens
Max Output4K tokens
Input ModalitiesText
Output ModalitiesText
HuggingFace Likes12,674
HuggingFace Downloads (30d)681,490
HuggingFace Downloads (all-time)29,643,489
Elo Rating
1037
#190

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·

Pricing by Provider

ProviderStandard
Input
$ / 1M
Output
$ / 1M
Fireworks AI logo
Fireworks AI
fireworks_ai/accounts/fireworks/models/flux-1-dev
$0.100$0.100

Cost Calculator

Preset:
Compares every provider & tier in USD

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 Pro$0.000$0.000Available
FLUX.1 Dev4K$0.100$0.100Current

Model IDs