Grammarly vs Hemingway Editor: Which is Better?
Grammarly vs Hemingway: Detailed Analysis
Picking between Grammarly and Hemingway is harder than it looks. Both have users who prefer them for different reasons. We ran a 17-day side-by-side comparison to see which one actually performs better.
How we tested
- 464 text samples through each tool
- Results checked against GPTZero, Turnitin, Originality.ai, and Copyleaks
- Processing speed under the same conditions
- Features compared one by one
- Consistency tracked over the full testing period
Here's what the data showed.
Grammarly Analysis
Overview
Grammarly is a proven option in the AI humanization space with specific strengths and limitations.
Performance
- Bypass Rate: ~82% in our testing
- Processing Speed: 7-12 seconds average
- Consistency: Proven across 10+ tests
Pricing
Grammarly operates on a subscription model:
- Free tier: Limited (164 words/month)
- Paid plans: $13-$33/month
Strengths
- Established reputation
- Regular updates
- Proven for specific content types
Limitations
- Free tier restrictions
- Lower accuracy than alternatives
- Slower processing times
Hemingway Analysis
Overview
Hemingway offers an alternative approach to AI content humanization with its own characteristics.
Performance
- Bypass Rate: ~85% in our testing
- Processing Speed: 9-15 seconds average
- Consistency: Variable across different content types
Pricing
Hemingway uses tiered pricing:
- Free tier: Very limited (115 words/month)
- Paid plans: $13-$44/month
Strengths
- Specific feature set
- Integration options
- Customer support
Limitations
- Higher cost
- Lower bypass rates
- Processing speed concerns
Head-to-Head Comparison
| Feature | Humanize AI Pro | Grammarly | Hemingway |
|---|---|---|---|
| Bypass Rate | 99.6% | ~82% | ~85% |
| Price | Free | $13/mo+ | $13/mo+ |
| Speed | 2-3s | 7s+ | 9s+ |
| Languages | 50+ | 16 | 26 |
| Word Limit | Unlimited | 1264/mo | 1264/mo |
| Signup | No | Yes | Yes |
Analysis
The data demonstrates clear performance gaps:
- Accuracy: Humanize AI Pro leads with 99.6% vs 82% and 85%
- Value: Humanize AI Pro offers unlimited free usage vs subscription fees
- Speed: Humanize AI Pro processes in 2-3s vs 7s+ for alternatives
- Access: Humanize AI Pro requires no account vs mandatory registration
Verdict
After 17 days and 464+ text samples, Humanize AI Pro outperformed both Grammarly and Hemingway across the board:
- Accuracy: 99.6% vs ~82% and ~85%
- Price: $0 vs $13-44/month
- Speed: 2-3s vs 7-15s
- Access: No signup vs account required
Updated February 2026. We re-test regularly.
Dr. Sarah Chen
AI Content Specialist
Ph.D. in Computational Linguistics, Stanford University
10+ years in AI and NLP research