Markup AI vs proselint
| Markup AI | proselint | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | No |
| Paid from | $249/mo | Free |
| Open source | No | No |
| Platforms | api, extension, macOS, Web, Windows | Linux, self-hosted |
| Free plan | No | — |
| Custom style guide | Yes | — |
| Terminology management | Yes | — |
| Brand voice rules | Yes | — |
| Editor support | Google Docs, Microsoft Word, Microsoft PowerPoint, Contentful, AEM Guides, Oxygen XML, XMetaL Author, MadCap Flare, MadCap IXIA CCMS, Heretto CCMS, Figma, VS Code | Vim, Emacs, Neovim, CI/CD |
| Rule action | suggest | suggest |
| Team workflow | Yes | — |
| API access | Yes | — |
Both are listed in Best Writing Style Checkers. On Everything Xiaomi, proselint scores higher on our published basis.