Question 1

What does an AI score of 50 mean?

Accepted Answer

A 50 score means the signals are roughly split: the text shows patterns consistent with AI-generated writing but also patterns consistent with human writing. This usually indicates either partially AI-written text, heavily edited AI text, or human text in a style detectors associate with LLMs (formal academic register, technical vocabulary, non-native English).

Question 2

Is an AI score of 20 safe?

Accepted Answer

Usually yes, for most institutional contexts. Many university policies treat scores below 20 as background noise, below the threshold where they would flag a document for review. But context matters: some programs have zero-tolerance policies that treat any non-zero score as cause for inquiry.

Question 3

Can a 100% human-written text get a high AI score?

Accepted Answer

Yes. Research has found that detectors can flag a large share of non-native English student essays as AI-written. Highly technical writing, heavily edited drafts, and formal academic prose can all trip false positives. A high score on human-written text doesn't prove AI use.

Question 4

Why do different detectors give different scores on the same text?

Accepted Answer

Each detector uses different features, different training data, and different thresholds. The same paragraph can score low on one tool and high on another. This is why cross-checking with 2 or 3 detectors is more informative than trusting a single score.

Question 5

What's the difference between perplexity and burstiness?

Accepted Answer

Perplexity measures how predictable each word is given the previous words: AI text is usually more predictable than human text. Burstiness measures variation in sentence length and structure: human writing has high burstiness (alternating short and long sentences), while AI writing has low burstiness (uniform sentence lengths).

Question 6

How do I reduce a high AI score?

Accepted Answer

Either rewrite manually (varying sentence length, adding personal voice, removing hedging phrases, introducing specific examples) or use a cleanup tool like Leap's humanizer, which replaces stock AI phrases, removes em dashes and invisible characters, adds contractions, and marks sentences of uniform length so you can vary them. After rewriting, run the checker again to see the new score. No tool can guarantee passing any detector.

Question 7

Does Leap's checker send my text anywhere?

Accepted Answer

No. The checker runs entirely in your browser. Your text is never uploaded, stored, or shared, and you don't need an account to use it.

Score range	Label	What it usually means
0-25	Human	Text reads as clearly human-written. Most detectors treat this range as safe, no flag, no review. This is the target range for most use cases.
26-50	Mixed	Text shows mixed signals: possibly partially AI-written, AI-assisted then edited, or human writing in a register that detectors find confusing (formal academic, technical, non-native English).
51-75	Likely AI	Detector reads the text as more AI-like than human. For academic or publishing contexts, this range will typically trigger review. Rewriting or humanization is recommended before submission.
76-100	Detected	Detector is confident the text is AI-generated. Unedited ChatGPT, Claude, and Gemini output often lands here. This range almost always triggers institutional flags and requires significant rewriting to pass.

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