Side-by-side comparison · 2026
| Feature | Character.ai | Synthesia |
|---|---|---|
| Category | chat | video |
| API access | No | Enterprise |
| Code assistant | No | No |
| Collaboration | No | Workspace |
| Free plan | Yes | Demo |
| Image generation | Limited | No |
| Languages | Multilingual | 130+ languages |
| Model | c1.2 | Avatar engine |
| SEO tools | No | No |
| Voice | Yes (beta) | Yes |