ChatGPT
QuillBot
ChatGPT
QuillBot
ChatGPT
QuillBot
ChatGPT
QuillBot
ChatGPT
QuillBot
ChatGPT
QuillBot
ChatGPT
QuillBot
Users: 1 user
Storage: Limited
Limits: Near-unusable message limits, No Thinking mode, No Sora video, Basic GPT-5.2 only
Users: 1 user
Storage: Standard
Limits: No GPT-5.2 Thinking, No Sora video, Limited compared to Plus
Users: 1 user
Storage: Enhanced
Limits: 3000 Thinking messages/week cap, No GPT-5.2 Pro, Video limited vs Pro
Users: 1 user
Storage: Maximum
Limits: Extremely expensive at $200/month, Some users report crashes persist even on Pro
Users: Per user (minimum seats)
Storage: Team shared
Limits: No Enterprise features like SSO, Limited admin controls vs Enterprise
Users: Custom
Storage: Custom
Limits: Requires enterprise sales process, Implementation costs separate
Users: 1 user
Limits: 125 words at a time, No plagiarism checker, Only 2 paraphrase modes
Users: 1 user
Limits: No team features, Email-only support
Users: 1 user
Limits: Stuck for 6 months if issues arise, No prorated refunds
Users: 1 user
Limits: Locked in for full year, No team features
Users: Custom
Limits: Pricing not transparent, Requires sales call
| Feature | ChatGPT | QuillBot |
|---|---|---|
| Core | ||
| Text generation Most versatile, quality concerns with GPT-5 | ||
| Core Features | ||
| Paraphrasing 8 modes, 125 words free limit | ||
| Grammar checking Free and Premium | ||
| Plagiarism checker Premium only | ||
| AI content detector Premium only, 90%+ accuracy | ||
| Summarizer 1200 words free, unlimited premium | ||
| Translator 5000 character limit | ||
| Development | ||
| Code generation 95% correctness, some report degradation | ||
| API access Separate pricing | ||
| Multimodal | ||
| Image generation (DALL-E) Plus and above | ||
| Video generation (Sora) Plus: 720p/5sec, Pro: 4K/90sec | ||
| Voice conversations Mobile and desktop | ||
| Analysis | ||
| File/image analysis PDF, images, documents | ||
| Customization | ||
| Custom GPTs Build and share custom models | ||
| Integrations | ||
| Chrome extension Works on most sites | ||
| Plugin ecosystem Largest ecosystem available | ||
| Google Docs integration Available | ||
| Microsoft Word add-in Buggy, frequent issues reported | ||
| Mobile app Browser-based only | ||
| Accessibility | ||
| Mobile apps iOS and Android | ||
| Enterprise | ||
| Enterprise SSO Enterprise plan only | ||
| Usability | ||
| Offline mode Requires internet | ||
| Privacy | ||
| Data not used for training Enterprise only, opt-out available | ||
| Pricing | ||
| Free tier 125 words only | ||
| Subscription pause Can pause without losing account | ||
| Team Features | ||
| Team plans Enterprise, contact sales | ||