StepFun
80 pts
0 wins
VS
👑 
Grok (xAI)
85 pts
2 wins
🏆 Overall, Grok (xAI) offers more free value (2/6 categories)
📊 Side-by-Side
Category
StepFun
Grok (xAI)
Free Tier
✅ No explicit limit
✅ Limited requests/day
Free API
✅ ¥10
✅ $25/月
Rate Limit
5 RPM
Varies
Open Source
✅ Yes
✅ Yes
Free Models
1
2
GitHub Stars
⭐ 4,630
⭐ 51,529
🧠 Model Details
StepFun 1 models Step-2
Free to use via Yuewen
Grok (xAI) 2 models Grok 4.20
xAI's latest flagship, reasoning + non-reasoning, lowest hallucination rate
Grok-3
Free on X platform