AI Infrastructure Startups Convex and Onyx Security Secure $170M in Series B Funding

Convex announced a $57 million Series B round led by Insight Partners, bringing its total financing to $110.5 million. The round also included participation from Andreessen Horowitz, Spark Capital and Etna Labs. Convex builds a reliable backend platform for AI applications, aiming to remove infrastructure bottlenecks for developers.

Onyx Security disclosed a $113 million Series B raise in New York, targeting tools that manage, monitor and audit artificial‑intelligence systems. While the investors were not named, the funding underscores growing demand for AI‑control and governance solutions as enterprises adopt large language models across finance, health care and public services.

Both financings illustrate heightened investor interest in AI infrastructure and safety technologies, reflecting broader market pressure for robust, compliant AI deployment.