Google drops Gems for Skills, joining OpenAI and Anthropic in the shift to agent-ready prompt formats

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Google is rolling out "Skills" globally in Gemini chat. Skills are detailed prompts for specific tasks that the AI can help write and refine. They replace Gems, Google's equivalent of OpenAI's Custom GPTs, which OpenAI is also sunsetting. The Skills format originated with Anthropic and is available as an open standard.

Users save frequent instructions as a Skill and invoke them by