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FLUX SRPO


FLUX SRPO is an AI model from Black Forest Labs. A FLUX image generation model fine-tuned with SRPO (Step-level Reward Policy Optimization) for improved alignment and image quality.
Specifications
Canonical IDblack-forest-labs-flux-srpo
StatusActive
CreatorBlack Forest LabsBlack Forest Labs
Benchmarks
Elo Rating
1079
#149

Capabilities

Input0/5
Text·
Image·
Audio·
Video·
PDF·
Output0/5
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 Pro$0.000$0.000Available
FLUX SRPOCurrent

Model IDs