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AI Tool Comparison
Grammarly vs Scalenut
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
Scalenut
Cluster keywords, generate SEO-optimized articles, and track how often your brand's prompts surface across AI answer engines — all from one workspace. Repositioned as a full-stack GEO platform.
Writing
paid
Bottom Line
Grammarly edges ahead on rating (4.7 vs 4.4), but the right pick still comes down to which workflow you're running.
Choose Grammarly if…
Writing
Choose Scalenut if…
Writing
| Attribute | Grammarly | Scalenut |
|---|---|---|
| Category | Writing | Writing |
| Pricing | freemium | paid |
| Pricing Detail | Free / $12/mo Pro (annual) / Enterprise custom | $59/mo Starter / $89/mo Plus / $199/mo Professional |
| Rating |
Key Features
Grammarly
- Grammar and spelling checks
- Tone detection
- Plagiarism checker
- Generative AI co-creator
- Browser extension
Scalenut
- Keyword planning
- SERP analysis
- AI article writer
- Content optimizer
- Cruise Mode (1-click articles)
Pros
Grammarly
- •Works everywhere you write
- •Highly accurate suggestions
- •Improves overall writing quality
- •Generative features are helpful
Scalenut
- •Strong SEO research built in
- •Good keyword clustering
- •Solid long-form content quality
- •All-in-one content workflow
Cons
Grammarly
- Premium plan is somewhat pricey
- Can be overly pedantic
- Generative features are basic compared to ChatGPT
Scalenut
- Expensive for freelancers
- UI can be slow
- Quality varies by topic