Legal AI might not sound like the sexiest category in Silicon Valley, yet Harvey's CEO Winston Weinberg has captured the attention of virtually every

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Harvey, a legal AI startup, grew from $3B to $8B valuation in under a year by building AI tools for law firms and corporate legal departments. Founded by a first-year associate who cold-emailed Sam Altman, the company now serves 235 clients across 63 countries and surpassed $100M ARR. The platform focuses on drafting, research, and document analysis, with a key differentiator being its multiplayer architecture that enables secure collaboration between law firms and their clients while managing ethical walls and data permissioning across jurisdictions. The company is transitioning from seat-based to outcome-based pricing as workflows become more sophisticated.

Inside Harvey: How a first-year legal associate built one of Silicon Valley’s hottest startups