Matt Shumer
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Matt Shumer is an AI entrepreneur best known as the founder and CEO of HyperWrite (formerly OthersideAI), a company building AI-powered writing and agent tools. He has built a reputation in the AI development community for prompt-engineering techniques, including tools for generating and refining prompts for large language models. More recently he has publicized the 'Gauntlet Loop' method, an approach that pits specialist 'builder' AI agents against independent 'critic' agents to iteratively refine AI-generated outputs against real-world reference examples. His work and public commentary are frequently cited in discussions about practical techniques for improving AI agent reliability and performance.
Updated 5 August 2026
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Aug 2026
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Latest developments
August 2026
Multiple Approaches to AI Agent Skill Optimization and Management Techniques Published Research publication
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Products & technology
- Develops Gauntlet Loop · 2 sources