ChatGPT Workspace Agents Guide: How to Use, Best Prompts & Use Cases (2026) TL;DR: ChatGPT Workspace Agents launched April 21, 2026 as the official successor to Custom GPTs — Codex-powered agents that run on a schedule, plug into Slack, Salesforce, Drive, Notion, and SharePoint, and continue work across days. This ChatGPT Workspace Agents guide breaks down setup, the 5 best prompts, top use cases, and how to monetize them before credit-based pricing kicks in May 6, 2026. What Is ChatGPT Workspace Agents? (And Why Everyone's Talking About It) ChatGPT Workspace Agents are a new class of AI agents that live inside ChatGPT Business, Enterprise, Edu, and Teachers plans. They are not chatbots. They are scheduled, app-connected, persistent agents that complete real knowledge work — drafting reports, triaging tickets, prepping meetings, chasing invoices — and they keep running after you log off.…