Ex-Salesforce co-CEO Bret Taylor’s Sierra is the latest $10 billion AI startup
- Joseph K
- Sep 4, 2025
- 1 min read
Bret Taylor’s artificial intelligence startup Sierra has just joined an exclusive club: The company sports a new $10 billion valuation after raising $350 million in fresh capital.
Sierra is one of just a handful of AI startups, including OpenAI, Anthropic, xAI, Safe Superintelligence and Thinking Machines that are valued at or above $10 billion.
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