Brad Menezes, CEO of enterprise vibe coding startup Superblocks , believes the next crop of billion-dollar startup ideas are hiding in almost plain sight: the system prompts used by existing unicorn AI startups.

System prompts are the lengthy prompts — over 5,000-6,000 words — that AI startups use to instruct the foundational models from companies like OpenAI or Anthropic on how to generate their application-level AI products. They are, in Menezes view, like a master class in prompt engineering.

“Every single company has a completely different system prompt for the same [foundational] model,” he told TechCrunch. “They’re trying to get the model to do exactly what’s required for a specific domain, specific tasks.”

System prompts aren’t exactly hidden. Customers can ask many AI tools to

See Full Page