It was obvious to her that applicants were using large language models (LLMs) – a form of artificial intelligence that powers chatbots such as ChatGPT, Google Gemini and Claude – to write the letters.

Well yes, because most companies are using LLMs to sift through applicants and auto reject anyone who doesn’t use LLMs to write them.

https://www.forbes.com/sites/karadennison/2026/03/11/why-ai-is-rejecting-your-resume-before-humans-see-it/