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.' So as part of his own startup's new product announcement of an enterprise coding AI agent named Clark, Superblocks offered to share a file of 19 system prompts from some of the most popular AI coding products like Windsurf, Manus, Cursor, Lovable and Bolt. Menezes's tweet...
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