Put the staff handbook and how-tos into ChatGPT so baristas stop flooding the group chat
Plex Coffee, a four-café company, co-founder Philipp Cheng (OpenAI customer story)
ChatGPT Business is connected to the Notion wiki so staff ask questions on an in-store iPad; a custom GPT built from the handbook onboards new hires conversationally. The founder also uses it for location research and to explain demand swings.
From $8/mo (checked prices)
Easy · or we do it from $497
ChatGPT, Notion
The problem
As the cafés grew, routine staff questions flooded WhatsApp groups and nobody read the 25-page handbook.
What happened
As reported in the OpenAI story (founder quotes): operational WhatsApp questions down over 50%, and onboarding cut from weeks to days.
Vendor case study Quoted in the source: Philipp Cheng, co-founder, Plex Coffee. Source: OpenAI customer story (2025-10-15) · Added 2026-10-13. Results as reported by the source; we haven't independently verified them.
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How to set it up yourself
- Put your how-tos in one place (Notion, Google Docs).
- Connect ChatGPT or build a custom GPT from them.
- Put a shared device where staff work.
- Update docs when the same question comes twice.
Copy-paste prompt
You are the onboarding guide for {CAFE}. Teach from this handbook only: {HANDBOOK}. Ask the new hire one question at a time and check they understood each section.Tools used
ChatGPT
General AI assistant for writing, research, brainstorming and analysis.
From Go $8/mo (Plus $20/mo) (checked 2026-10-13)
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Checked prices: ChatGPT: from Go $8/mo (Plus $20/mo) (verified 2026-10-13)
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