# Microsoft's SkillOpt boosts GPT-5.5 by using nothing but a trained Markdown file

> Source: <https://the-decoder.com/microsofts-skillopt-boosts-gpt-5-5-by-using-nothing-but-a-trained-markdown-file/>
> Published: 2026-06-13 12:20:39+00:00

Microsoft and three Chinese universities have developed SkillOpt, a method that optimizes instruction documents for AI agents using principles from traditional model training. A simple Markdown file is enough to boost GPT-5.5 by about 23 points on procedural tasks, and the same file transfers across models and agent environments like Codex and Claude Code.

The article [Microsoft's SkillOpt boosts GPT-5.5 by using nothing but a trained Markdown file](https://the-decoder.com/microsofts-skillopt-boosts-gpt-5-5-by-using-nothing-but-a-trained-markdown-file/) appeared first on [The Decoder](https://the-decoder.com).