Users mistakenly evaluate AI tools based on the quality of the first output. However, since 90% of the work is iterative, the superior tool is the one that handles a high volume of refinement prompts most effectively, not the one with the best initial result.
When an AI tool fails, a common user mistake is to get stuck in a 'doom loop' by repeatedly using negative, low-context prompts like 'it's not working.' This is counterproductive. A better approach is to use a specific command or prompt that forces the AI to reflect and reset its approach.
AI prototyping doesn't replace the PRD; it transforms its purpose. Instead of being a static document, the PRD's rich context and user stories become the ideal 'master prompt' to feed into an AI tool, ensuring the initial design is grounded in strategic requirements.
During a live test, multiple competing AI tools demonstrated the exact same failure mode. This indicates the flaw lies not with the individual tools but with the shared underlying language model (e.g., Claude Sonnet), a systemic weakness users might misattribute to a specific product.
Instead of prompting a specialized AI tool directly, experts employ a meta-workflow. They first use a general LLM like ChatGPT or Claude to generate a detailed, context-rich 'master prompt' based on a PRD or user story, which they then paste into the specialized tool for superior results.
Historically, resource-intensive prototyping (requiring designers and tools like Figma) was reserved for major features. AI tools reduce prototype creation time to minutes, allowing PMs to de-risk even minor features with user testing and solution discovery, improving the entire product's success rate.
A startup's key differentiator often reflects the founders' specific pain point. Magic Patterns excels at prototyping with component libraries because its founders were front-end engineers whose primary job was implementing Figma mockups. This contrasts with competitors who approached the problem from different angles.