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ClickHouse Buys Langfuse, Mintlify Acquires Helicone
ClickHouse acquired Langfuse, which remains 100% open-source under its MIT license, while Mintlify acquired Helicone, whose services remain live in maintenance mode. Opik from Comet ML and Phoenix from Arize AI remain independent, with Arize raising a $70M Series C.
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