OctoAI
65 pts
0 wins
VS
👑 
Grok (xAI)
85 pts
2 wins
🏆 Overall, Grok (xAI) offers more free value (2/6 categories)
📊 Side-by-Side
Category
OctoAI
Grok (xAI)
Free Tier
✅ credit-based
✅ Limited requests/day
Free API
✅ $10 free credits
✅ $25/月
Rate Limit
60 RPM
Varies
Open Source
❌ No
✅ Yes
Free Models
2
2
GitHub Stars
-
⭐ 51,529
🧠 Model Details
OctoAI 2 models Llama 3.3 70B
Available in free tier
SDXL
Image generation, available in free tier
Grok (xAI) 2 models Grok 4.20
xAI's latest flagship, reasoning + non-reasoning, lowest hallucination rate
Grok-3
Free on X platform