How to use AI as your cofounder
Give AI the context, working habits, and questions that help it become a useful thinking and execution partner.
Start with a working relationship
A useful AI cofounder is a way of working: give an assistant the context for your business, ask it to help you think through a decision, turn the decision into work, and return with what happened. You still own the judgment and the outcome. The value grows when conversations connect to a real goal and a record of your decisions. A friendly tone can make it easier to start, but agreement alone will not improve the business. Ask for useful pushback as well as encouragement.
Write a business brief it can work from
Describe the customer, the problem you solve, your offer, current stage, constraints, and the result you want next. Include what is already decided and what is still uncertain. Add two or three examples of your voice or existing work. Keep the brief short enough to update. Use only information you are authorized to share, and remove personal customer details when they are unnecessary. A specific brief prevents generic advice about a business you do not actually run.
Assign a job for each conversation
Choose the role that fits the task. For a decision, ask for options and tradeoffs. For research, ask for sources and unresolved questions. For execution, ask for a draft with clear acceptance criteria. For review, ask what could fail and how to check it. Avoid asking for a complete business strategy when the immediate obstacle is an unclear landing-page headline. Smaller jobs make the output easier to judge and use.
Ask for evidence and disagreement
Ask the assistant to separate facts you supplied, information it verified, assumptions, and recommendations. When an answer matters, open the source and check it. Invite the strongest argument against the preferred plan. Ask what evidence would change the recommendation. AI-generated personas and role-play are useful preparation; they do not replace conversations with customers or establish what people will buy.
Leave with something you can use
End the conversation with an artifact: a customer interview guide, a product brief, a campaign draft, a proposal, or a checklist. Define the next action and what finished means. For example: rewrite the welcome email, review every factual claim, send a test to yourself, then compare its performance over a sensible observation period. More output is only useful when it advances the work.
Keep the thread between sessions
Save the current goal, important decisions, open questions, and next task in a document or a workspace you control. Do not assume a tool will remember every past conversation. Begin the next session with the updated brief and the evidence from the last action. A weekly review can ask: what changed, what did we learn, what should stop, and what is the next useful move?
A prompt to make your own
Act as a thoughtful business partner. My goal is [goal]. My customer is [customer]. Here is what we know: [evidence]. My constraints are [time, budget, capacity]. Ask up to three questions that would materially change your advice. Then compare two practical next moves, state assumptions and tradeoffs, challenge my preferred option, and help me complete the first useful deliverable.
Your next move
- Create a one-page business brief.
- Choose one decision or task.
- Request evidence, tradeoffs, and a concrete draft.
- Review the work yourself and test it in the real world.
- Save the result and your next move.
Choose a tool. Try the workflow.
Find a tool for the task, or download the business brief and prompts to use with one you already have.