AI tools democratize prototyping, but their true power is in rapidly exploring multiple ideas (divergence) and then testing and refining them (convergence). This dramatically accelerates the creative and validation process before significant engineering resources are committed.

Exploratory AI coding, or 'vibe coding,' proved catastrophic for production environments. The most effective developers adapted by treating AI like a junior engineer, providing lightweight specifications, tests, and guardrails to ensure the output was viable and reliable.

Don't dismiss AI-generated code for being buggy. Its purpose isn't to build a scalable product, but to rapidly test ideas and find user demand. Crashing under heavy load is a success signal that justifies hiring engineers for a proper rebuild.

Traditional SaaS development starts with a user problem. AI development inverts this by starting with what the technology makes possible. Teams must prototype to test reliability first, because execution is uncertain. The UI and user problem validation come later in the process.

In AI, low prototyping costs and customer uncertainty make the traditional research-first PM model obsolete. The new approach is to build a prototype quickly, show it to customers to discover possibilities, and then iterate based on their reactions, effectively building the solution before the problem is fully defined.

With AI generating code, a developer's value shifts from writing perfect syntax to validating that the system works as intended. Success is measured by outcomes—passing tests and meeting requirements—not by reading or understanding every line of the generated code.

At OpenAI, the development cycle is accelerated by a practice called "vibe coding." Designers and PMs build functional prototypes directly with AI tools like Codex. This visual, interactive method is often faster and more effective for communicating ideas than writing traditional product specifications.

Building a true AI product starts by defining its core capabilities in an AI playground to understand what's possible. This exploration informs the AI architecture and user interface, a reverse process from traditional software where UI design often comes first.

A powerful but unintuitive AI development pattern is to give a model a vague goal and let it attempt a full implementation. This "throwaway" draft, with its mistakes and unexpected choices, provides crucial insights for writing a much more accurate plan for the final version.