StepFun
80 pts
0 wins
VS
👑 
FLUX (Black Forest Labs)
85 pts
2 wins
🏆 Overall, FLUX (Black Forest Labs) offers more free value (2/6 categories)
📊 Side-by-Side
Category
StepFun
FLUX (Black Forest Labs)
Free Tier
✅ No explicit limit
✅ Free via third-party platforms
Free API
✅ ¥10
✅ Free via platforms
Rate Limit
5 RPM
Varies
Open Source
✅ Yes
✅ Yes
Free Models
1
2
GitHub Stars
⭐ 4,630
⭐ 25,477
🧠 Model Details
StepFun 1 models Step-2
Free to use via Yuewen
FLUX (Black Forest Labs) 2 models FLUX.1 [schnell]
Open-source fast version, can run locally
FLUX.1 [dev]
Open-source dev version, higher quality