Temporal raises $550m at $12.55bn to keep AI agents from failing

Temporal closed a $550 million Series E round at a $12.55 billion valuation, more than double its February valuation. The round was led by Lightspeed Venture Partners. The company sells a Durable Execution platform for fault tolerance in applications and AI agents; annual revenue exceeded $250 million.

• Valuation rose from $5 billion in February to $12.55 billion
• Annual revenue exceeded $250 million, growth over 200%
• Temporal Cloud processed 1.9 trillion actions in August, +350% year-over-year
• More than 4300 paying customers, including OpenAI, Nvidia, and Netflix