Pangram 4 Technical Overview | Pangram Labs
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A technical overview of Pangram 4, our latest AI text detection model: how it was built, how it was evaluated, and how it compares to Pangram 3.3.
Pangram 4 is our latest state-of-the-art AI text detection model. Compared to its predecessor, Pangram 4 shows marked improvement on distinguishing fully AI-generated, mixed-author, and AI-assisted writing while delivering superior granularity, which allows for a finer distinction between human and AI segments within a document. It is also robust against humanizers and adversarial prompting, and is significantly more accurate on the latest frontier models. To our knowledge, Pangram 4 is the first AI detection model that is able to differentiate between AI-assisted and AI-human mixed writing…
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