Temporal raises $550 million at $12.6 billion valuation in Lightspeed-led round

Software startup Temporal has raised $550 million in a late-stage funding round led by Lightspeed Venture Partners, more than doubling its valuation to $12.55 billion in just seven months. The funding comes amid an AI venture capital boom, where AI companies captured 86% of U.S. venture deal value in the first half of 2026. Temporal, which helps applications and AI agents recover from failure, has seen its annualized revenue run rate surpass $250 million, serving over 4,300 customers including OpenAI, Nvidia, and JPMorgan Chase.

Temporal $550M funding round

• ▪Temporal raised $550 million in a late-stage funding round on September 14, 2026, valuing the company at $12.55 billion.
• ▪The $550 million funding round was led by Lightspeed Venture Partners, with Wellington Management, Growth Equity at Goldman Sachs Alternatives, and Tiger Global joining as co-leads.
• ▪Temporal was previously valued at $5 billion in February 2026, when the company raised $300 million in a funding round led by Andreessen Horowitz.
• ▪SV Angel and accounts advised by T. Rowe Price Associates participated in Temporal's September 14, 2026 funding round, while Andreessen Horowitz, Sequoia Capital, and GIC returned as investors.

AI boom venture capital trends

• ▪AI companies accounted for 86% of U.S. venture deal value in the first half of 2026, according to the Pitchbook-NVCA Venture Monitor.
• ▪Investors are seeking software startups seen as benefiting from the AI boom, which contributed to Temporal more than doubling its valuation in seven months.

Temporal Cloud commercial revenue

• ▪Temporal's software is free-to-use, but the startup generates revenue through Temporal Cloud, its commercial platform that hosts the open-source engine.
• ▪Temporal's annualized revenue run rate has surpassed $250 million, more than tripling year-over-year as of September 14, 2026.