Grammarly has evolved from a grammar checker into an AI writing assistant with GrammarlyGO. It helps you write better by suggesting improvements, adjusting tone, and generating short passages. WordPress AI Plugin generates entire articles and handles SEO. Here is how they compare.
Feature-by-Feature Comparison
| Feature | WordPress AI Plugin | Grammarly AI |
|---|---|---|
| Primary Purpose | Generate complete SEO articles and publish to WordPress | Improve your writing quality, grammar, tone, and clarity |
| Content Generation | Full articles (1,500-3,000 words) from prompts, URLs, or automated research | Short text generation and rewriting. Cannot produce full articles |
| Writing Assistance | Not a primary feature | Best-in-class grammar, spelling, tone, and clarity suggestions |
| Keyword Research | Built-in DataForSEO with volume, difficulty, CPC | No SEO features |
| SERP Tracking | Built-in rank tracking | No SERP tracking |
| SEO Audit | Lighthouse-powered technical audit | No SEO audit |
| Availability | WordPress plugin | Browser extension, desktop app, mobile keyboard — works everywhere |
| Team Features | Single-user plans | Team accounts with brand voice and style guides |
| Price | From $11.99/mo | Free (basic). Premium $12/mo. Business $15/user/mo |
Our Verdict
Grammarly and WordPress AI Plugin serve completely different roles. Grammarly makes your existing writing better — grammar, clarity, tone. WordPress AI Plugin creates new content from scratch with SEO optimisation. Most users benefit from both: use WordPress AI Plugin to generate articles, then let Grammarly polish the output. They complement rather than compete.