# Temporal raises $550M at a $12.55B valuation as demand grows for reliable AI infrastructure

DevFeed: [Temporal raises $550M at a $12.55B valuation as demand grows for reliable AI infrastructure](<https://devfeed.tech/articles/temporal-raises-550m-at-a-12-55b-valuation-as-demand-grows-for-reliable-ai-infrastructure-36026.md>)

Original publisher: [Read original article](<https://temporal.io/blog/temporal-raises-usd550m-series-e-at-usd12-55b-valuation-ai>)

Author: Allanah Hughes

Published: 2026-09-14T00:00:00Z

Content type: release

Language: en

Sources: [Temporal Blog](<https://devfeed.tech/sources/temporal-blog.md>)

Topics: [AI Infrastructure](<https://devfeed.tech/topics/ai-infrastructure.md>), [reliability](<https://devfeed.tech/topics/reliability.md>), [Orchestration](<https://devfeed.tech/topics/orchestration.md>), [AI Platform](<https://devfeed.tech/topics/ai-platform.md>)

Tags: [agents](<https://devfeed.tech/tags/agents.md>), [ai](<https://devfeed.tech/tags/ai.md>), [ai-infrastructure](<https://devfeed.tech/tags/ai-infrastructure.md>), [announcements](<https://devfeed.tech/tags/announcements.md>), [funding](<https://devfeed.tech/tags/funding.md>), [infrastructure](<https://devfeed.tech/tags/infrastructure.md>), [orchestration](<https://devfeed.tech/tags/orchestration.md>), [outage](<https://devfeed.tech/tags/outage.md>), [reliability](<https://devfeed.tech/tags/reliability.md>), [series](<https://devfeed.tech/tags/series.md>), [systems](<https://devfeed.tech/tags/systems.md>)

## AI overview

Temporal announces a $550 million Series E funding round at a $12.55 billion valuation. The company says the funding will support reliable infrastructure for long-running AI agents and applications, including orchestration and recovery across systems.

## Source excerpt

AI is raising the bar for reliability. See why Temporal's $550M Series E, backed by Lightspeed and others, is built to meet that demand.