Pangram says its new AI text detector makes only one mistake per 24,000 documents

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Pangram推出了第四代AI文本检测器，准确率高达99.66%，每处理2.4万份文档才可能犯一次错，堪称目前最可靠的“AI捉鬼专家”。简单来说，这个工具就像一个能一眼看穿文章是不是AI写的“火眼金睛”。以前很多检测器要么把人类写的文章误判成AI写的（误报），要么漏掉AI写的文章。但Pangram 4大幅减少了这两种错误，甚至连“AI写完后用工具改写”的伪装也能识别出来，成功率高达98.83%。它还能分辨出文章是纯AI创作，还是人类用AI辅助润色过的。不过，使用这个API的成本也提高了，每100词收费5美分，比上一代贵了2到10倍。这项技术对普通人的影响很实在：老师可以用它更准确地判断学生作业是否作弊，编辑和自媒体人也能快速筛查AI生成的内容，维护原创性。但另一方面，收费上涨可能让小团队和个人用户望而却步，而且AI与人类协作写作越来越普遍，这种“抓AI”工具也可能引发隐私和误判争议。无论如何，AI检测技术的进步正在重塑数字内容的信任体系。

Pangram says its new AI text detector makes only one mistake per 24,000 documents Matthias Bastian View the LinkedIn Profile of Matthias Bastian Jul 29, 2026 Pangram has released Pangram 4, a new model for detecting AI-generated text. The 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 percent of all AI text and falsely flags human writing just 0.0041 percent of the time, roughly one error per 24,000 documents. Pangram 4 can reportedly tell apart AI-assisted text from mixed human-AI writing. | Image: Pangram Pangram 4 can also distinguish lightly AI-polished text from fully AI-generated text, the company says. It resists "humanizer" tools that disguise AI writing as human, catching the AI component across 13 common humanizers 98.83 percent of the time. The API costs $0.05 per 100 words, a two- to tenfold price increase depending on document length. All plans now include image scanning at no extra cost. Pangram 3 stays available until September 30, 2026. Business is booming, according to the New York Times. Annual revenue has grown 35x year over year, and monthly users jumped from 2,700 in June 2025 to 120,000 in June 2026.AdDEC_D_Incontent-1Ad AI News Without the Hype – Curated by Humans Subscribe to THE DECODER for ad-free reading, a weekly AI newsletter, our exclusive "AI Radar" frontier report six times a year, full archive access, and access to our comment section. Subscribe now Source: Pangram | Model Card Ask about this article… Search