Detect AI, humanize your writing, and enhance your creative work
Autocomplete and AI assistant for Mac and Windows, built on a private account of your work
Stage
Not given
Startup
Founded
2023
2026
Based in
US
AU
Pricing model
Freemium
Freemium
Pricing
Free tier with limited features. Paid plans: $5/month (yearly at $60), $9.50/month (yearly at $114), $15.75/month (yearly at $189), $21.25/month (50,000 words/month). Monthly options: $9.99, $19.00, $31.00, $42.50. Business plans available with custom pricing.
Not given
Key features
Multi-model AI text detection across multiple detectors
AI humanizer that rewrites text to sound naturally human
Chrome Extension for detection and humanization anywhere online
Support for 50+ languages including English, Spanish, French, German, Chinese, Japanese
Money-back guarantee if output flagged as AI
API access with personal use and redistribution plans
Autocomplete with Tab to accept drafts
Error detection and fact-checking
Cross-app integration
Source attribution for every suggestion
Context-aware AI assistance
One-click pause and privacy control
Encrypted data storage
Read-only app connections
Natural writing style matching
What makes it different
Proprietary humanizer fine-tuned on specific consenting human writers for hyper-specialized rewriting
Rated #1 Best AI Detector by Forbes
Outputs verified to pass all major AI detectors
Finishes sentences from your actual work history and connected files, not generic AI
Shows source for every suggestion so you can verify it before accepting
Catches mistakes and contradictions between what you're writing and your work history
Works inline in the apps you already use without installation
You stay the author with full control over what gets written
Undetectable AI
Opsis