Vidu
60 pts
0 wins
VS
👑 
Tiangong AI
80 pts
2 wins
🏆 Overall, Tiangong AI offers more free value (2/6 categories)
📊 Side-by-Side
Category
Vidu
Tiangong AI
Free Tier
✅ 80 credits/month
✅ No explicit limit
Free API
✅ $1
✅ Free tier
Rate Limit
N/A
Varies
Open Source
❌ No
✅ Yes
Free Models
1
1
GitHub Stars
-
⭐ 1,493
🧠 Model Details
Vidu 1 models Vidu Q3
AI video generation, ~5 credits per 4s clip
Tiangong AI 1 models 天工大模型
AI search + chat, free to use