Gemsretiring

Named custom versions of Gemini, each with its own instructions and optional knowledge files. A Gem can be shared with others and also shows up in the Gemini side panel in Google Workspace.

Which capability it is

A custom version you build and share (Custom assistant)

The same thing at other vendors

ChatGPT

GPTs (retiring Dec 11, 2026) · ChatGPT workspace agents (Business, Enterprise, Edu)

Claude

None — no shareable assistant found

Microsoft Copilot

agents, built in Agent Builder or Copilot Studio

Perplexity

None

Grok

Shared Bots (formerly Team Bots)

Meta AI and Muse

None (nearest: Meta Business Agent, which serves customers)

Mistral Vibe

Agents (legacy, retiring into Skills)

Details

Status: retiring (personal accounts, starting November 2026; no date stated for work or school accounts)
Where you find it: gemini.google.com → Open Sidebar → Gems → New Gem
Part of: Gemini
Plans: personal accounts (13+); work and school accounts under their own terms

Learn

Where we teach it

We don't teach building one. The longer class teaches the saved method that several vendors are moving them into: Encode a method so someone else runs it.