Side-by-side comparison · 2026
| Feature | Character.ai | Stability AI |
|---|---|---|
| Category | chat | image |
| API access | No | Yes |
| Code assistant | No | No |
| Collaboration | No | Enterprise |
| Free plan | Yes | Credits |
| Image generation | Limited | Yes (primary) |
| Languages | Multilingual | Prompt: multilingual |
| Model | c1.2 | SDXL / SD3 |
| SEO tools | No | No |
| Voice | Yes (beta) | No |