Pangram 4: AI Detector with an Error Rate of 1 in 24,000
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Pangram 4: Accurate AI Detector with an Error Rate of 1 in 24,000
Pangram has launched Pangram 4, a new model for detecting AI-generated text. This model is six times larger than its predecessor, with 14 times fewer false positives and six times fewer missed AI texts. In the company's own benchmarks, it correctly identifies 99.66% of all AI-generated texts and falsely flags human writing only 0.0041% of the time, which translates to about one error for 24,000 documents.
Pangram 4 can also distinguish between text that is slightly polished by AI and text that is fully generated by AI, according to the company. It withstands "humanization" tools that disguise AI writing as human writing, detecting the AI component in 13 common humanizers 98.83% of the time.
The API costs $0.05 for 100 words, with a price increase of two to ten times depending on the length of the document. All plans now include image scanning at no additional cost. Pangram 3 will remain available until September 30, 2026. Business is thriving, according to the New York Times. Annual revenue has increased 35 times year-over-year, and the number of monthly users has risen from 2,700 in June 2025 to 120,000 in June 2026.
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