# ClickHouse welcomes Langfuse: The future of open-source LLM observability

DevFeed: [ClickHouse welcomes Langfuse: The future of open-source LLM observability](<https://devfeed.tech/articles/clickhouse-welcomes-langfuse-the-future-of-open-source-llm-observability-5058.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/clickhouse-acquires-langfuse-open-source-llm-observability>)

Author: Ryadh Dahimene; Marc Klingen; Max Deichmann; Clemens Rawert

Published: 2026-01-16T00:00:00Z

Content type: news

Language: en

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

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [observability](<https://devfeed.tech/topics/observability.md>), [LLMs](<https://devfeed.tech/topics/llms.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [AI Development](<https://devfeed.tech/topics/ai-development.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [applications](<https://devfeed.tech/tags/applications.md>), [automation](<https://devfeed.tech/tags/automation.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [coding](<https://devfeed.tech/tags/coding.md>), [llm](<https://devfeed.tech/tags/llm.md>), [observability](<https://devfeed.tech/tags/observability.md>), [open-source](<https://devfeed.tech/tags/open-source.md>)

## AI overview

ClickHouse announces its acquisition of Langfuse, an open-source platform for LLM observability, evaluations, and prompt management. The article presents the combination as a stack for building, monitoring, and optimizing AI applications, addressing the difficulty of measuring quality in non-deterministic and complex AI workflows.

## Source excerpt

We are thrilled to announce that ClickHouse has acquired Langfuse, the leading open-source platform for LLM observability, evaluations, and prompt management.