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.
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.
Bottom Line
Last reviewed: August 2026
Grammarly and SirWritesALot both sit in Writing, but they're built around different use cases within it. Grammarly carries the higher rating (4.7 vs 4.2), but a gap that size rarely overrides a real workflow fit on its own.
Choose Grammarly if…
Best for catching grammar and clarity issues in real time as you write anywhere online, and its edge is built-in AI agents now draft and rewrite across your apps, not just proofread. The baseline writing check most people should already have running. Lean toward SirWritesALot instead if live-scores a draft against actual Google results while addressing AI-search visibility, a gap most SEO editors don't cover yet matters more for your use case.
Choose SirWritesALot if…
Best for writers optimizing for both traditional Google rankings and how AI answer engines read a page, and its edge is live-scores a draft against actual Google results while addressing AI-search visibility, a gap most SEO editors don't cover yet. A genuinely timely feature set, the GEO scoring methodology is new and not yet independently validated at scale. Lean toward Grammarly instead if built-in AI agents now draft and rewrite across your apps, not just proofread matters more for your use case.
| 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