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Analyzing That Controversial Super Prompt For Controlling AI That Billionaire Marc Andreessen Posted

Marc Andreessen's AI prompt just became public. Here's what it reveals about how top VCs actually use models.

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People, judgement and the changing nature of work.AI illustration by KeyNews
The KeyNews take

Why it matters

A high-profile exec's personal AI instructions leaked/shared publicly, sparking debate about prompt engineering approaches and control strategies. Shows real-world usage patterns from influential decision-makers.

The key facts

8 to know
  1. Marc Andreessen shared personal custom AI instructions publicly

  2. Post generated significant controversy

  3. Reveals exec-level prompt engineering tactics

  4. Published May 2026 - recent

  5. Marc Andreessen shared custom system prompt publicly

  6. Prompt drew significant controversy and discussion

  7. Reveals insider AI usage patterns and control mechanisms

  8. Source: Forbes AI Insider analysis

Go to the source

Forbes Innovationforbes.com

Publisher excerpt: Billionaire Marc Andreessen posted his personal custom instruction that he uses with AI. Controversy ensued. I unpack the prompt for you. An AI Insider analysis/scoop.
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