unslop

unslop /ʌnˈslɒp/ verb

  1. to turn AI slop into human, valuable writing.
  2. to examine a text and mark the passages a machine wrote.

2026 · from un- + slop, "low-effort machine-generated text" · "I unslopped the manuscript before submission."

Unlimited AI detection for scientific writing. Check any paper for machine-written text, with no limits and no sign-up. unslop reads LaTeX and PDF natively, marks the passages that look generated, and publishes its own false-positive rate. A screening signal, not proof.

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How unslop compares

unslopGPTZero · Pangram · Quillbot
ChecksUnlimited, no sign-upMetered or paywalled
LaTeX and .tex papersRead and analysed nativelyNot built for it
PDF and DOCX uploadYesVaries
False-positive ratePublished, held-outUsually undisclosed
Calibrated forScientific writingGeneral web text
PriceFreeFreemium or paid

A general comparison; all three meter usage, which is the point. We would rather you check the numbers below than trust a table.


Performance

94.5%correctly distinguishes machine from human text, shown one of each (held-out)
99.6%genuine human papers correctly cleared, not falsely flagged
0.4%false-positive rate on real papers, the number we optimise

Model re-optimised on GPT-5 Sol and Claude Fable output, and updated as new models ship. English only for now.


Notes


Writing