Temporal raises $550M Series E at $12.55B valuation

Temporal raises $550M at a $12.55B valuation

Temporal closed a $550M Series E at a $12.55B valuation, co-led by Lightspeed with a16z, Sequoia, and others participating. The bet is on Durable Execution for long-running AI agents—write normal code, state is preserved, failures auto-recover. OpenAI's usage grew 60x in under a year; Snap runs 414M Stories/day on it. Annualized revenue run rate is up over 200% YoY, net dollar retention above 200%, and 1.9T billable actions processed in August. The post doesn't detail how the new capital will be deployed beyond global growth.

Why it matters: Temporal's Series E is a strong signal for AI infrastructure. $550M at $12.55B with >200% ARR growth, plus OpenAI and Snap usage data, shows durable execution is becoming a must-have layer for agent architectures. Score capped at 78 because it's a company announcement without ...