AltTextAPI vs WriteAlt
| AltTextAPI | WriteAlt | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | Yes |
| Paid from | — | $0.26/mo |
| Open source | No | No |
| Platforms | Web | api, extension, Linux, Web, Windows |
| Free plan | Yes | No |
| Paid from | 9 /mo | 3.17 /mo |
| Bulk processing | Yes | Yes |
| API access | Yes | Yes |
| CMS plugins | Yes | Yes |
| Supported languages | 130 languages | 130 languages |
| Publishing workflows | Yes | Yes |
| Image formats | — | JPG, PNG, WebP, GIF, SVG, AVIF, HEIC, BMP |
Both are listed in Best AI Alt Text Generators. On Samsung Mobile US Press, AltTextAPI scores higher on our published basis.