Walter Writes AI vs GPT-Undetectable: Cost Comparison
Which AI humanizer costs less — and which one actually bypasses AI detection?
1. Pricing Plans Compared
Walter Writes AI
AI Rewriter (paraphraser)
$14.99/月
✓Easy to use in browser
✓Good for structural edits
✗Does not bypass AI detectors · Flat monthly rate high for long texts · No free tier
RECOMMENDED
GPT-Undetectable Pro
AI Humanizer + Detection Bypass
$0.99/词
✓Specifically bypasses Turnitin, GPTZero, Originality.ai
✓Free tier available (no signup)
✓Per-word pricing cheaper for long documents
✓No credit card required for free
✗Paid only via Stripe · No preset monthly bundle
GPT-Undetectable Free
Humanize AI Text
$0
✓100% free
✓No signup, no installation
✓5 submissions/day per IP
✓Works with English and Chinese
✗5 submissions per day limit · 3,000 chars per submission
2. Which one should you pick?
If you restructure your own writing
Walter Writes is better. Use it when you want synonym swaps or paragraph edits on human-written text.
→ Check out Walter WritesBEST FOR AI
If ChatGPT wrote it and needs to pass detectors
GPT-Undetectable is purpose-built. Same engine passes Turnitin, GPTZero, Originality.ai, Copyleaks. Free tier means zero risk.
→ Try our free humanizer →If budget is no concern
Pro Tier at $0.99/word via Stripe. No credit card required for free tier. Unlimited submissions once paid.
→ See pricing →For 500 words: Walter Writes costs ~$1.25 = $14.99/月 vs our $0.99 = $1.25/月 same total, but higher for ≥10K words. Our per-word model scales better for long documents.