> We put a particular focus on improving GPT‑5.4’s ability to create and edit spreadsheets, presentations, and documents. Nothing infuriates me more than an LL

> We put a particular focus on improving GPT‑5.4’s ability to create and edit spreadsheets, presentations, and documents. Nothing infuriates me more than an LLM tool randomly deciding to create docx or xlsx files for no apparent reason. They have to use a random library to create these files, and they constantly screw up API calls and get completely distracted by the sheer size of the scripts they have to write to output a simple documents. These files have terrible accessibility (all paper-like formats do) and end up with way too much formatting. Markdown was chosen as the lingua franca of LLMs for a reason, trying to force it into a totally unsuitable format isn't going to work.