writing
Claude vs Grammarly
A detailed side-by-side comparison to help you choose.
Claude
Anthropic's safety-focused AI assistant with large context windows and strong reasoning
8.5Excellent
Grammarly
AI writing assistant that checks grammar, style, tone, and clarity across all platforms
8.0Excellent
Our Verdict
We recommend Claude
Claude edges ahead with stronger scores in key areas.
Feature Comparison
| Feature | Claude | Grammarly |
|---|---|---|
| API Access | ||
| Plugins / Extensions | ||
| Image Generation | ||
| Code Execution | ||
| File Upload | ||
| Web Search | ||
| Max Context Window | 200K tokens | 16K tokens |
Pricing Comparison
| Tier | Claude | Grammarly |
|---|---|---|
| Free | Free Limited daily usage on Claude 3.5 Sonnet | Free Basic grammar and spelling corrections |
| Pro | $20 5x more usage, priority access, Projects | $30 Advanced style, clarity, tone, plagiarism detection |
| Team | $30 Per user, higher limits, admin controls | $25 Per user/month, brand tone, style guide, analytics |
Score Breakdown
| Dimension | Claude | Grammarly |
|---|---|---|
| Ease of Use | 9.0 | 10.0 |
| Features | 9.0 | 7.0 |
| Value for Money | 8.0 | 7.0 |
| Support | 8.0 | 8.0 |
| Overall | 8.5 | 8.0 |
Pros & Cons
Claude
Pros
- +Largest context window among major AI assistants (200K tokens)
- +Excellent at nuanced writing and long-form documents
- +Strong safety and honesty principles reduce hallucinations
- +Outstanding code generation and review quality
Cons
- −No image generation capability
- −Fewer third-party integrations than ChatGPT
- −Free tier limits can be hit quickly with heavy use
Grammarly
Pros
- +Works everywhere: browser, Word, Google Docs, Outlook
- +Real-time suggestions don't interrupt your writing flow
- +Tone detection helps match the right voice for your audience
- +Plagiarism checker integrated into premium plans
Cons
- −Premium plan is expensive relative to the feature set
- −Not a full AI writing assistant — focused on editing, not generation
- −Free tier is quite limited compared to competitors