AIHacker Noonabout 3 hours ago
Open-Source LLM Observability: Two Acquisitions, Two Independent
8 min read
Langfuse was acquired by ClickHouse, remaining 100% open-source with self-hosting unchanged. Helicone joined Mintlify in maintenance mode, with no open-source commitment. Opik (Comet ML) and Phoenix (Arize AI) remain independent, Arize raising a $70M Series C.
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