skillopt

SkillOpt: Microsoft Research's Optimizer That Trains Agent Skills, Not Model Weights

Microsoft Research has introduced SkillOpt, an optimizer that treats natural-language agent skills as trainable parameters instead of fine-tuning model weights. It achieves best or tied-best performance in 52 out of 52 settings across 6 benchmarks and 7 models — including GPT-5.5 with Codex and Claude Code.

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