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

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 appeared first on The Decoder.

Microsoft's SkillOpt boosts GPT-5.5 by using nothing but a trained Markdown file
Primary source the-decoder.com ↗

Published June 13, 2026 · Category: AI Briefing

Overview

An abstract collage of grids, arrows, and paper fragments symbolizes neural data flow and training.

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.

Details

The article Microsoft's SkillOpt boosts GPT-5.5 by using nothing but a trained Markdown file appeared first on The Decoder.

Source

Originally published at the-decoder.com.

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