01.AI (Yi)
80 pts
1 wins
VS
StepFun
80 pts
0 wins
🤝 It's a tie — both have their strengths
📊 Side-by-Side
Category
01.AI (Yi)
StepFun
Free Tier
✅ No explicit limit
✅ No explicit limit
Free API
✅ ¥10
✅ ¥10
Rate Limit
5 RPM
5 RPM
Open Source
✅ Yes
✅ Yes
Free Models
1
1
GitHub Stars
⭐ 7,827
⭐ 4,630
🧠 Model Details
01.AI (Yi) 1 models Yi-Lightning
Free via Wanzhi
StepFun 1 models Step-2
Free to use via Yuewen