Flux
by Black Forest Labs
Open-source photorealism that overtook Midjourney on benchmarks.
Visit site ↗Momentum
88
Trending
85
Popularity
78
Overview
Flux 1.x family — pro and dev variants. Best open-weights image model; runs on Replicate, FAL, and self-hosted.
Why it matters
For builders who need an image API (not a subscription), Flux is the answer. Powers most new AI image SaaS launched in 2025-26.
Use cases
- → AI image APIs
- → Custom fine-tunes
- → On-prem image gen
Pros
- + Best open model
- + Real API access
- + Photorealism leader
Cons
- − Less aesthetic than MJ for art
- − Compute cost
- − No native consumer UI
Pricing
USAGE · Per-image via FAL / Replicate (~$0.025+)