The market · AI writing
AI Writing Tools Compared
Compare AI writing assistants on verified pricing, capabilities and adoption — from drafting to editing to long-form.
| Tool | Pricing | Monthly visits | Verified | Strongest for |
|---|---|---|---|---|
| Cover Letter by Grammarly | Freemium Free: $0/mo | 54M | ✓ | Category-defining AI writing assistant, huge traffic. |
| GLM-5.2 | Free | 8.5M | ✓ | GLM model line assistant for presentations, writing and coding; real LLM product. |
| LanguageTool | Free | 7.6M | ✓ | AI grammar and style checker supporting 30+ languages. |
| Monica | Freemium Pro: US$8.3/month | 7.3M | ✓ | Very widely used AI assistant browser extension for chat and writing. |
| Scribbr | — | 7.3M | ✓ | Widely used academic service for proofreading, plagiarism checking and citation; very high traffic. |
| Grokipedia | Free | 4.9M | ✓ | AI-generated encyclopedia positioned to rival Wikipedia; notable high-traffic knowledge product. |