Ahrefs vs AIDetector.cx (2026)
We compared both. Here is the honest comparison.
Ahrefs
81/100
$129/mo
GoodVS
AIDetector.cx
79/100
Free – $10/mo
GoodScore Breakdown
Category
Ahrefs
AIDetector.cx
Output Quality
82
▲ Wins77
▼ LosesSpeed
74
▼ Loses88
▲ WinsEase of Use
66
▼ Loses86
▲ Winsfeatures
94
▲ Wins83
▼ LosesOverall
81
79
Pricing
Starting Price
$129/mo
Free – $10/mo
Real Price
$129/mo
$10/mo (Pro)
Price Note
Lite plan
Free: 5 lifetime checks · Pro $10/mo (300 credits) · $120/yr
Ahrefs
Best For
✓ Link building campaigns
✓ Competitor backlink analysis
✓ Content gap research
Not For
✗ Beginners
✗ Pure content SEO (Surfer is better)
✗ Budget users
AIDetector.cx
Best For
✓ Bloggers and SEO teams screening their own drafts before publishing
✓ Budget users who want a $10/mo all-in-one over per-credit pricing
✓ Non-English content across 19+ languages
Not For
✗ Agencies needing forensic, defensible verdicts on heavily-edited AI
✗ High-volume teams that will exhaust 5 free checks immediately
Pros & Cons
Ahrefs
+ Best backlink database — 35T links indexed
+ Content Explorer finds linkable content gaps
+ Site Audit technical SEO depth rivals Semrush
+ Keyword Explorer accurate volume estimates
+ Keywords Explorer AI clustering saves hours
− No affiliate program — can't monetize recommendations
− Expensive, Lite plan missing many features
− Interface intimidating for beginners
AIDetector.cx
+ Nailed obvious AI — a ChatGPT paragraph scored 71% (Balanced) to 98% (strict), and it named the cliché transitions to cut
+ Very low false positives — a genuine human anecdote cleared at 95% human
+ Honest by design: shows confidence tiers, flags when its two engines disagree, and publishes no inflated accuracy %
+ All-in-one at $10/mo Pro — dual-engine detector plus humanizer, plagiarism check and 19-language support
+ Explicit responsible-use framing — warns against treating a score as sole proof
− Polished, cliché-free AI can slip the Balanced engine — a naturalistic AI sample read 85% human / 'Inconclusive'
− Free tier is stingy: 5 checks for the life of the account, not per day
− Newer and less battle-tested than Originality.ai, with a smaller public track record
− The two engines often disagree, so borderline text still needs human judgment