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AI Detection

AI Detection

Is Grammarly AI Detector Accurate? Claims vs Tests

Grammarly cites a 99% RAID score for its AI detector and, in the same breath, says no detector should be relied on alone. Both are true. Here is how to reconcile them and read its score properly.

AI Detection

Is QuillBot AI Detector Accurate? What Tests Show

QuillBot cites a 99% RAID detection rate for its AI checker. Independent tests put it closer to 75–80% on long English text and around 60% on mixed human-and-machine drafts. Here is what that gap means for you.

AI Detection

Most Accurate AI Detector: What Benchmarks Show

There is no single most accurate AI detector, only detectors that win on particular text types under particular conditions. Here is what the public benchmarks show and how to run your own test in an afternoon.