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OpenAI Tests ChatGPTSkills’ With Slash Commands for Reusable Instructions

Leaks point to a conversion of custom GPTs into persistent skills under the codename Hazelnuts.

Overview

  • Multiple reports, based on a tip shared by developer Tibor Blaho on X, say OpenAI is testing a Skills feature for ChatGPT rather than announcing it officially.
  • The feature would let users convert custom GPTs into skills to avoid retyping instructions, such as enforcing formatting or grounding responses to provided texts or URLs.
  • Interface clues indicate access via slash commands, a Skills editor, and the ability to create, update, or edit skills over time.
  • Coverage frames the capability as comparable to Anthropic’s Claude Skills, which emphasize composability, portability, and efficiency.
  • No launch date has been confirmed by OpenAI, though some reporting suggests a possible rollout as early as January 2026.