COSS Weekly: Unleash raises $35M, Mistral AI valuation tops €21B, ClickHouse ARR passes $350M, and more
This week in COSS: Unleash raised a $35 million Series B to expand its enterprise feature-flag platform, while Mistral AI closed a €3 billion Series D to scale compute and commercial growth. Moonshot AI is considering a Hong Kong IPO of up to $5 billion, Thinking Machines Lab is reportedly in talks for a $5 billion–$6 billion round, and ClickHouse acquired RunReveal to bring security-data expertise in-house. Elsewhere, ClickHouse’s annual recurring revenue passed $350 million amid demand for AI…