Adjust Details AND Photorealism (XL/PONY+FLUX) - Flux V2.0 API Documentation
by ModelsLabThis version has stronger effects on the details/realism, so even 0.25-0.50 might be enough to use but you can explore the 1.0-2.00 range too - especially with digital illustration. It also can do pixelart :)
adjust-details-and-photorealism-xl-pony-flux-flux-v2-0