TL;DR: With the launch of ChatGPT triggering a panic over AI-generated essays in education, GPTZero launched as an AI detection platform that analyzes text for statistical patterns matching LLM outputs. Sacra estimates GPTZero reached $16M in ARR by April 2025, up from $6.8M at the end of 2024. For more, check out our full report and dataset on GPTZero...