Undetectable AI · AI content detection
Undetectable AI provides multi-model AI content detection and text humanization. During testing, its detection engine accurately classified the AI benchmark sample at 99% AI probability within 0.57s with full sentence breakdown and native PDF export, delivering exceptional detection accuracy and seamless workflow.
US-West (California, AS2914)
PDF · Output attached · Open native file ↗
Subsequent pricing and service checks are shown separately without altering historical scores.
One run does not establish all complex scenes, untested paid maxima or long-term uptime.
Plans & historical pricing
Undetectable AI Free Trial, Monthly, and Annual word-quota subscription plans · 2026-10-31
Basic AI detection and humanization trial
AI content detection and text humanization
AI content detection and text humanization
AI content detection and text humanization
AI content detection and text humanization
AI content detection and text humanization
6 plan / billing-period records, all listed; — means that period is not recorded.
Annual plan cards explicitly show the upfront invoice total (e.g. 10K words charged annually $60.00 at $5.00/mo equivalent) alongside monthly original rates ($9.99/mo); free trial is capped at 250 words.
Cancellation, sources & verification record
Cancellation and refund terms unverified
Undetectable AI Official Pricing Page ↗ · 2026-10-31 Capture 1 ↗
Pricing recorded on the test date · 2026-11-04
Free Trial 250 words; Monthly $9.99/mo (10K words), Annual $60/yr ($5/mo equiv)
Free trial + Subscription
Historical context only; not current purchase guidance.
Delivery & access
- Free delivery record
- Full 99% AI probability + sentence highlights + native PDF deliverable
- Watermark
- No watermark
- Free allowance
- Free trial 250 words; paid subscriptions from 10K words/mo
- Account requirements
- Free guest testing supported; Google OAuth and email sign-in
- Maximum specification record
- Full 99% AI probability + sentence highlights + native PDF deliverable
May include advertised capabilities; this does not establish a tested paid tier.
- Batch & API
- Not recorded or not verified
- Manual refinement
- Not recorded or not verified
Tested result & sample
Input 90-word standard AI anchor fixture (anchor_aidetector_v1/benchmark_sample.txt); Undetectable AI returned 99% AI / GPT probability verdict with sentence highlighting and native PDF export (6.8 KB).
- Fixture
- anchor_aidetector_v1
- Recorded environment
- US-West (California, AS2914)
- Network-observed server wait
- 0.57 s
- End-to-end reference
- 0.57 s
Network wait includes round trips, queuing and polling error, not pure inference time. Local timings depend on the device; repetition counts are not standardized in legacy records.
Experience, rules & trust
- Disclosure
- Results and probabilities displayed instantly in-page
- Interaction
- Direct paste and check workflow with one-click clear and PDF export; zero intrusive popups obstructing detection.
- Entity record
- Undetectable AI
- Origin
- Florida / New York, USA
- Domain history record
- Operating since 2023
- Third-party tracking record
- Google Analytics · Cloudflare · Hotjar · Meta Pixel
- External information
- Well-known AI detection and humanization platform widely discussed across developer and content creator communities.
- Processing
- Not recorded or not verified
- Retention statement
- Protected by TLS 1.3 encryption; user deletion supported
A recorded statement does not verify deletion or all data-processing behavior.
Verifiable audit trail & evidence
Four SHA-256-verified stages link the benchmark fixture, same-run interface screenshots, native exported artifact and archived pricing sources.
anchor_aidetector_v1 · Inspect fixture & file inspector →
Captures entry rules, result view and export disclosure.
Screenshots, native output and official claims support different conclusions. Evidence grades are not product safety certifications.
Evaluation basis & full scores · Overall 95.3/100
Overall = honesty & reputation × 30% + capability × 70%. Component maxima follow this report’s rubric. List scores are rounded for display; original precision is retained here.
Scoring version 2.3.1 · Test fixture anchor_aidetector_v1
Honesty & reputation · 89/100 · 30%
| Criterion | Score | Rationale | Basis |
|---|---|---|---|
| Pricing transparency | 32 / 35 | Pricing transparently lists monthly rates, annual monthly equivalents, and exact upfront annual totals ($60.00, $114.00, $189.00); free trial limited to 250 words. | Evidence A → |
| Interaction restraint | 27 / 30 | Direct paste and check workflow with one-click clear and PDF export; zero intrusive popups obstructing detection. | Evidence A → |
| Background & reputation | 16 / 20 | Registered US entity Undetectable Inc. with wide media recognition, though adversarial detection evasion carries academic ethics controversies. | Evidence A → |
| Engineering & privacy | 14 / 15 | Protected by TLS 1.3 and Cloudflare security with clear privacy terms. | Evidence A → |
Capability · 98/100 · 70%
| Criterion | Score | Rationale | Basis |
|---|---|---|---|
| Task quality | 65 / 65 | AI Probability: 99% · Human Probability: 1% · Label: ai · Calibrated: Yes | Evidence A → |
| Deliverable specifications | 18 / 20 | Clean unwatermarked export (8/8); Export spec: Full 99% AI probability + sentence highlights + native PDF deliverable | Evidence A → |
| Processing speed | 15 / 15 | Network-observed server wait: 0.57s (API mode: sync_json_verified; network upload 0s / end-to-end 0.57s shown for reference only, never penalized) | Evidence A → |
Legacy scores may include advertised maximum capabilities. Read tested output separately from paid capabilities. Records without matching tiers and scope are not ranked together.
Revisions & corrections
- 2026-11-04
Completed evaluation of Undetectable AI content detector, verifying 99% AI accuracy and native PDF export.