Skip to content
AI Humanizer ToolsReviews & field notes
AI Humanizer ToolsReviews & field notes
Browse all humanizers Write a review
Head-to-head comparison

HIX Bypass vs Undetectable AI

Compare the site’s stored figures for these two tools, then read their individual reviews. The raw samples and run records are not published here, so these numbers cannot currently be independently reproduced.

Stored test date: Jun 2, 2026 Listed sample size: 30 Methodology 5 detectors
Higher AIHT Rating
HIX Bypass
hix.ai
83.52
AIHT Rating / 100
85.2%Bypass
80.4Meaning
100Readability
Comparison tool
Undetectable AI
undetectable.ai
80.09
AIHT Rating / 100
94.1%Bypass
72.2Meaning
100Readability
Two manuscripts with different editorial annotations, shown side by side.

Look beyond the score

Compare the source and the rewrite. Check the facts, meaning and editing still required.

Use the evaluation checklist →

Side-by-side scores

The stored scorecard lists a 30-prompt sample and five detector summaries. Raw outputs and run records are not available here to verify those conditions. Read these values as published site figures, not independently reproduced measurements.

Overall
83.52
HIX Bypass
80.09
Undetectable AI
Bypass Rate
85.2%
HIX Bypass
94.1%
Undetectable AI
Meaning
80.4
HIX Bypass
72.2
Undetectable AI
Readability
100
HIX Bypass
100
Undetectable AI
Penalties
-1
HIX Bypass
-8
Undetectable AI

Scroll horizontally to see all score columns.

AIHT Rating comparison: HIX Bypass and Undetectable AI
MetricHIX BypassUndetectable AIHigher published value
AIHT Rating83.5280.09HIX Bypass
Bypass Rate85.2%94.1%Undetectable AI
Meaning Preservation80.472.2HIX Bypass
Readability100100Tie
Penalties-1 (minor length inflation)-8 (length inflation)HIX Bypass

Detector-by-detector results

Different detectors measure text differently. This table shows the stored figures for five detectors and highlights the higher listed value. A higher number is not a guarantee for another passage or detector version.

GPTZero

HIX Bypass88.4
Undetectable AI95.1

Proofademic

HIX Bypass87.2
Undetectable AI96.7

ZeroGPT

HIX Bypass82.7
Undetectable AI78.3

Copyleaks

HIX Bypass84.1
Undetectable AI74.6

Originality.ai

HIX Bypass79.5
Undetectable AI66.3

HIX Bypass wins on 3 of 5 detectors. Undetectable AI wins on 2.

Our verdict

Use these scores to frame your next test. They describe this site’s stored dataset. They do not establish which tool will produce the best rewrite for your draft.

Compare the same passage in both tools. Check factual meaning, natural phrasing and the amount of editing still needed. Confirm the current plan allowance before subscribing.

Read the evidence limitations and evaluation checklist →

Pricing comparison

These are the prices stored with this scorecard, not a live pricing feed. Confirm the current price, billing period and included allowance before subscribing.

HIX Bypass
$19.99 /mo
Free tier available
Undetectable AI
$19 /mo
Free tier available

Undetectable AI is 5% cheaper at $19/mo vs $19.99/mo. Both offer a free tier to test before committing.

Who should pick which

Use these as shortlist criteria to check in your own trial. The stored figures alone do not establish real-world suitability.

Pick HIX Bypass if…

  • You want the higher overall score and broader detector coverage
  • Meaning preservation matters to your workflow
  • You want fewer quality penalties and cleaner output
  • Copyleaks is your primary detection concern (84.1 vs 74.6)
  • Originality.ai is your primary detection concern (79.5 vs 66.3)

Pick Undetectable AI if…

  • Budget matters and you prefer the lower-priced option ($19/mo vs $19.99/mo)
  • GPTZero is your primary detection concern (95.1 vs 88.4)
  • Proofademic is your primary detection concern (96.7 vs 87.2)

Frequently asked questions

Is HIX Bypass better than Undetectable AI?

In this stored five-detector scorecard, HIX Bypass scored 83.52 overall compared to Undetectable AI at 80.09. HIX Bypass wins on raw bypass rate (85.2% vs 94.1%) and leads on 3 of 5 detectors. The better choice depends on which specific detectors matter most to your workflow.

Which is cheaper, HIX Bypass or Undetectable AI?

HIX Bypass starts at $19.99/month with a free tier. Undetectable AI starts at $19/month with a free tier.

Which AI humanizer is best for bypassing Turnitin?

This comparison does not include direct Turnitin test results. Results from Originality.ai do not establish how either tool performs against Turnitin. No tool can guarantee a detector outcome.

How were these AI humanizers tested?

This page contains stored summary figures. The original and rewritten samples, detector-run logs and complete scoring formula are not published here, so these results cannot currently be independently reproduced. Read the methodology page for the current evidence status.

Next move

Use this comparison alongside the full reviews and our testing methodology before making a subscription decision.

A USEFUL SECOND OPINION

Choose your next writing tool with a clearer checklist.

Get the six-point buying checklist and a reusable comparison worksheet. Check meaning, editing effort and subscription costs before you commit.

Same draft. Fair comparison.Print it or save it as a PDF.

We will send a confirmation email first. How we use your email.

Read the checklist without subscribing →