AI writing assistants Category leader
Grammarly
AI writing assistant that works in browsers, apps and email
Key features
- Brand voice
- Grammar and style checking
- Rewrite and tone change
- Plagiarism checking
- Use in other apps
LanguageTool alternatives
Other AI writing assistants tools to consider instead of LanguageTool. Key features and starting prices come from each vendor's own site.
| Feature |
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| Pricing | Free plan | Free plan $12/month | $69/month per seat | Free plan $21.95/month | Contact sales | $99/month |
| Best for | — | Individuals and small to mid-size teams that want grammar, rewrite and tone suggestions across browsers, email and docs; SAML SSO needs the Enterprise plan. | Enterprise marketing teams that need AI-generated content kept on brand under governance controls | Students and individual writers or small teams who mainly need paraphrasing and grammar fixes. | Large financial services, healthcare and retail enterprises rolling out governed AI agents, with a 5-user Starter plan to pilot first. | Small marketing and SEO teams (1 to 3 users per plan) tracking brand visibility in ChatGPT, Gemini and Google AI Overviews. |
| Team size | 1–500 people | 1–500+ people | 2–500+ people | 1–50 people | 51–500+ people | 2–500 people |
| Brand voice | Not listed | Yes | Yes | Not listed | Yes | Yes |
| Content templates | Not listed | Not listed | Yes | Not listed | Not listed | Not listed |
| Grammar and style checking | Yes | Yes | Not listed | Yes | Not listed | Not listed |
| Rewrite and tone change | Yes | Yes | Yes | Yes | Not listed | Not listed |
| Plagiarism checking | Not listed | Yes | Yes | Yes | Not listed | Not listed |
| Use in other apps | Yes | Yes | Yes | Yes | Not listed | Not listed |
| Visit | Visit | Visit | Visit | Visit | Visit | Visit |
Head to head
The alternatives
AI writing assistants Category leader
Jasper
AI content platform for marketing teams with brand voice controls
Key features
- Brand voice
- Content templates
- Rewrite and tone change
- Plagiarism checking
- Use in other apps
AI writing assistants Category leader
QuillBot
Paraphrasing, grammar checking and summarizing in one writing tool
Key features
- Grammar and style checking
- Rewrite and tone change
- Plagiarism checking
- Use in other apps
AI writing assistants Category leader
Writer
Enterprise AI platform for on-brand writing with company knowledge
Key features
- Brand voice
AI writing assistants
Writesonic
AI content and SEO platform with brand voices and site audits
Key features
- Brand voice