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AI Tool Comparison
Grammarly vs SirWritesALot
A side-by-side breakdown to help you pick the right tool for your workflow.
Grammarly
Catch grammar and clarity issues as you write, then let built-in AI agents draft, rewrite, and complete tasks across your apps. Grammarly's parent company rebranded to Superhuman in October 2025.
Writing
freemium
SirWritesALot
Score your draft against live Google results and AI-search visibility at the same time, so you're not optimizing for rankings while losing ground in AI answers.
Writing
freemium
Bottom Line
Grammarly edges ahead on rating (4.7 vs 4.2), but the right pick still comes down to which workflow you're running.
Choose Grammarly if…
Writing
Choose SirWritesALot if…
SEO Content Writing
| Attribute | Grammarly | SirWritesALot |
|---|---|---|
| Category | Writing | Writing |
| Pricing | freemium | freemium |
| Pricing Detail | Free / $12/mo Pro (annual) / Enterprise custom | Free tier / $39-79/mo paid plans |
| Rating |
Key Features
Grammarly
- Grammar and spelling checks
- Tone detection
- Plagiarism checker
- Generative AI co-creator
- Browser extension
SirWritesALot
- Live Google SERP scoring while writing
- Generative engine optimization (GEO) scoring for AI answer visibility
- Topic-gap detection against ranking competitors
- Combined dual scoring for search and AI-search channels
Pros
Grammarly
- •Works everywhere you write
- •Highly accurate suggestions
- •Improves overall writing quality
- •Generative features are helpful
SirWritesALot
- •Addresses AI-search visibility, a gap most SEO editors don't yet cover
- •Live scoring gives immediate feedback instead of a post-publish audit
- •Accessible free tier for testing before committing to a paid plan
Cons
Grammarly
- Premium plan is somewhat pricey
- Can be overly pedantic
- Generative features are basic compared to ChatGPT
SirWritesALot
- GEO scoring methodology is new and not yet independently validated at scale
- Smaller feature set than long-established SEO content platforms