According to AI Tier List, Grammarly (Tier S) ranks higher than Writefull (Tier A) for Academic Writing.
 |  | |
|---|---|---|
| Tier | Tier S | Tier A |
| Rating | 5 / 5 | 4 / 5 |
| Pricing | Freemium | Freemium |
| Category | Academic Writing | Academic Writing |
| Best For | — | academic, writing-assistant, research, grammar, paraphrasing |
Powerful generative AI writing assistance, sophisticated context-based style correction, integrated AI detection capabilities, academic citation and grade prediction, seamless platform integration
Limited features in free version, high subscription costs, limited support for non-English languages, inconsistent AI detection accuracy
Specialized in academic writing, feedback based on scientific literature, Overleaf and Word integration, professional academic style correction, research support widgets like TeXGPT
Not suitable for general writing, restricted features in free version, usability limited to specific academic domains
