AI article
OpenAI's Model Spec Drops Most Style Rules and Tells GPT to Read Prompts for Intent
Community description: OpenAI rewrote its Model Spec around five values on October 29. What it means for your system prompt, your output format and untrusted tool data.
Dev.to | Oct 31, 2026 | Gabriel Anhaia
Automated excerpt
The five values now frame the whole document, as headings in its overview (Model Spec). Guideline-level defaults sit below those and can be overridden by context (Unite.AI, Model Spec). A spec tells you what a model is supposed to do.
Selected automatically from source text; not independently written or fact-checked. Read the original for full context.