
Pangram says its new AI text detector makes only one mistake per 24,000 documents
Quick Answer
Pangram's new AI text detector, Pangram 4, boasts a 99.66% accuracy rate with only one error per 24,000 documents.
Quick Take
The model is significantly larger than its predecessor, reducing false positives by 14 times and missed AI texts by six times. The API costs $0.05 per 100 words, with additional features like image scanning included at no extra charge.
Key Points
- Pangram 4 identifies 99.66% of AI-generated text accurately.
- The model is six times larger than Pangram 3.
- False positives reduced by 14 times, missed AI texts by six times.
- API pricing is $0.05 per 100 words, with image scanning included.
- Annual revenue has grown 35 times year over year.
Source Excerpt
Pangram 4 detects 99. 66 percent of AI-generated text with just one false positive per 24,000 documents, the company claims. The model also resists "humanizer" tools that disguise AI writing as human. API prices go up two- to tenfold.
Want this in your inbox every morning?
Daily brief at your local 8am — bilingual EN/中文, free.
More from The Decoder
See more →
An AI model programmed nonstop for 19 days on a single MirrorCode task that cost $2,600 to run
Epoch AI's MirrorCode benchmark reveals Claude Opus 4.7 as the leader with a 56% solve rate, reconstructing a 16,000-line toolkit in 14 hours. Despite this, all models tested struggle with the most complex tasks, highlighting limitations in current AI capabilities. The single task consumed $2,600 over 19 days, raising questions about cost-effectiveness in AI development.

