Key points
- Bypass rate = percentage of test samples scored 'human' by a specific detector after processing.
- Results vary by source text length, topic, and which detector is used — a rate against GPTZero doesn't guarantee the same result against Turnitin.
- Prefer results from independent testers over vendor marketing pages when comparing tools.
Vendor-reported bypass rates and independent third-party test results frequently diverge — sometimes significantly — which is worth understanding before trusting any single number.
What this means for you
Bypass rate = percentage of test samples scored 'human' by a specific detector after processing. Understanding this distinction is the foundation for evaluating any specific tool's marketing claims — see our full humanizer comparison table for how individual tools stack up.
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