AI Humanizer Benchmark

Best humanizer for your use case

The overall leaderboard is balanced across every writing category and detector. If you write one kind of text or care about one detector, these reweighted rankings answer your question directly. Same data, different weights, all published.

Best AI Humanizer for Quality

Ranks tools on the quality of the rewrite alone: meaning kept, readability, and penalties. Detector results are left out.

  1. #1SmartHumanizer
  2. #2UndetectedGPT
  3. #3HIX Bypass

Best AI Humanizer for Meaning Preservation

Only meaning preservation counts here: how closely each tool's rewrites keep what the original text said.

  1. #1SmartHumanizer
  2. #2HIX Bypass
  3. #3UndetectedGPT

Best AI Humanizer for Readability

Only readability counts here: how clear and fluent each tool's rewrites are.

  1. #1UndetectedGPT
  2. #2ReHumanize
  3. #3StealthGPT

Best AI Humanizer for Bypass Rate

Only bypass rate counts here: how human each tool's rewrites scored across every AI detector we test.

  1. #1WriteHuman
  2. #2UndetectedGPT
  3. #3HIX Bypass

Best AI Humanizer for Students

For coursework that will be run through an AI detector. Academic essay results count double.

  1. #1UndetectedGPT
  2. #2HIX Bypass
  3. #3SmartHumanizer

Best AI Humanizer for Essays

Ranks tools on essay writing, where the argument has to survive the rewrite. Both essay categories count double.

  1. #1UndetectedGPT
  2. #2HIX Bypass
  3. #3GPTinf

Best AI Humanizer for GPTZero

Only GPTZero counts here. Tools are ranked by the scores GPTZero gave their outputs.

  1. #1WriteHuman
  2. #2CleverHumanizer
  3. #3UndetectedGPT

Best AI Humanizer for Originality.ai

Only Originality.ai counts here. It is one of the strictest detectors in our panel.

  1. #1WriteHuman
  2. #2UndetectedGPT
  3. #3CleverHumanizer

Best AI Humanizer for Turnitin

Turnitin is not open to automated testing, so Originality.ai stands in for it. It is one of the strictest detectors in our panel.

  1. #1WriteHuman
  2. #2UndetectedGPT
  3. #3CleverHumanizer

Best AI Humanizer for SEO

For published content that has to get past editors as well as detectors. Blog post and marketing copy results count double.

  1. #1UndetectedGPT
  2. #2HIX Bypass
  3. #3GPTinf

Best AI Humanizer for Academic Writing

For theses, papers and applications. Academic essay and application essay results count double.

  1. #1UndetectedGPT
  2. #2HIX Bypass
  3. #3GPTinf

Best AI Humanizer for Marketing

For landing pages, product descriptions and other promotional text. Marketing copy and blog post results count double.

  1. #1UndetectedGPT
  2. #2HIX Bypass
  3. #3GPTinf

Best Free AI Humanizer

Just the humanizers that have a free tier, ranked by their overall score.

  1. #1UndetectedGPT
  2. #2HIX Bypass
  3. #3GPTinf