ClickHouse ARR passes $350M as AI agents fuel database demand
What's the deal? ClickHouse, which sells a database that quickly analyzes large volumes of data, recently passed $350 million in annual recurring revenue, up 40% since May, according to a person close to the company. The company earlier this year acquired LangfuseDealroom has a profile for this one. Try Dealroom →, a startup selling software to monitor the performance of AI applications and agents.
What each side does: ClickHouse offers free open-source software and paid cloud services to run it. Langfuse's tools pushed ClickHouse into the observability market and into more direct competition with Datadog, the publicly traded provider that monitors cloud applications for performance and security issues.
Why now? AI agents like AnthropicDealroom has a profile for this one. Try Dealroom →'s Claude and OpenAI's Codex are driving demand for tools that track digital actions. Well-organized data is crucial for agents to operate, a shift that has boosted ClickHouse and rivals including Snowflake, Databricks, and GrafanaDealroom has a profile for this one. Try Dealroom →.
By the numbers: Investors valued ClickHouse at $15 billion in January. Its gross margins range between 50% and 70%, chief executive officer Aaron Katz said, below Datadog's 79% and Snowflake's 67% in their most recent quarters.
Customer shift: OpenAI's use of ClickHouse jumped in the past year as it moved parts of its business, including log management, from Datadog, J.P. Morgan analyst Mark Murphy wrote in May. Datadog's stock fell 19% in one day this month after executives said its largest customer, which they didn't name, had cut spending.
ClickHouse investors and some analysts say its database can analyze log data faster and at lower cost than Datadog, which charges customers based on usage.
The endgame: The Langfuse deal advanced ClickHouse's expansion beyond its database roots into observability, a market where Datadog still dominates. "If we wanted to be cash flow positive next year, we could be," Katz said, adding that the company has instead chosen to invest in growth.
From Yandex to standalone: Russian search giant Yandex launched ClickHouse as an open-source project in 2016 and spun it out in 2021. Cloud provider NebiusDealroom has a profile for this one. Try Dealroom →, previously Yandex's Dutch holding company, owned a 28% stake as of May 2025, though that has likely fallen as ClickHouse raised more money.
The signal: A once obscure corner of enterprise software has risen in prominence over the past year, as agents create demand for tools to store, route, and monitor their data. As Striker Venture PartnersDealroom has a profile for this one. Try Dealroom → investor Max Gazor put it, before deploying agents, "you need to know what's going on, and be omniscient."
Read more: The Information
Image credit:ClickHouse
