ChatGPT now asks us to make a decision before we ask it to help us make decisions: to Chat or to Work? That is the question! Apparently even the chatbot needs to know whether this conversation could have been a one-line email.
The basic rule of thumb: Use Chat to think with ChatGPT. Use Work to delegate a job to ChatGPT. Chat is useful when you want an explanation, a brainstorm, a comparison, or help finding the right words. You are directing the conversation as it develops. Work is designed for a larger assignment with an outcome you can deliver and share: a report, a presentation, a spreadsheet, or even an application prototype/demo. That is the practical distinction in OpenAI’s guidance.
“Help me think through an employee onboarding session” belongs comfortably in Chat. You can discuss the audience, reject boring activities, and figure out what people actually need to learn. “Use these policies and notes to create the onboarding presentation, check that every required topic is covered, and return an editable PowerPoint” is a Work assignment. The useful distinction is how much of the process you want to hand over. Both modes use the same model. So what actually changes?
The (multimodal) Large Language Model (LLM) is only part of the system. The software program around it determines which tools it can use, what information it can retain during a task, and how it continues after an intermediate result. Developers call this surrounding machinery an agent harness. An agent loop can repeatedly ask the model what to do next, execute a tool call, return the result, and continue until it reaches a stopping point. Work provides an environment for carrying out an assignment across multiple steps. Cloud Work can continue supported tasks while you are away; local Work can use files and applications made available through the desktop app.
When the assignment is fuzzy, talk it through with Chat. Once you can describe the deliverable and what would make it acceptable, Work becomes easier to direct and evaluate. OpenAI recommends reserving Work for substantial tasks and using Chat for quick questions and short rewrites. Delegation still leaves you with a job. Review the data sources, check and improve output quality, and decide whether the result meets your requirements. Choose Chat when you want to work through the thinking together. Choose Work when you can assign the job, have clear requirements, and intend to eventually share an artifact with others.
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