Side-by-side comparison
Kling 4.0 – Kling AI Video Generator vs Synthesia
Complaint records and Risk Scores compared. Both are in the AI Video Tools category.
✓ Synthesia has a lower documented Risk Score.
Synthesia's Risk Score of 24 is lower than Kling 4.0 – Kling AI Video Generator's 100.
That said, always read the full complaint records before deciding.
Product A
Kling 4.0 – Kling AI Video Generator
Kling 4.0 is a Kling AI video generator offering 4K videos up to 30 seconds, text-to-video, image-to-video, synchronized audio, and a free trial.
100
Severe
out of 100
10 documented warnings
AI Video Tools
AI Video Tools
✓ Lower risk
Full Synthesia record →
Product B
Synthesia
Enterprise AI avatar video platform for corporate training and L&D
24
Mixed Signals
out of 100
2 documented warnings
AI Video Tools
AI Video Tools
Complaint category breakdown
Higher numbers in each row indicate more documented complaints in that category. Bold = more complaints than the other product.
| Complaint type | Kling 4.0 – Kling AI Video Generator | Synthesia |
|---|---|---|
| BBB Complaints | — | — |
| Lawsuits & Legal Action | — | — |
| Misleading Marketing | 2 | — |
| Customer Complaints | 2 | 1 |
| Churn & Retention | 2 | — |
| Billing Problems | 3 | 1 |
| Support Failures | 1 | — |
Severity breakdown
| Severity | Kling 4.0 – Kling AI Video Generator | Synthesia |
|---|---|---|
| Critical | 1 | — |
| High | 4 | — |
| Medium | 5 | 2 |
| Low | — | — |