The three-year-old startup, which is valued at $10 billion, recruits experts in fields ranging from medicine to law to literature, to help provide data that improves the capabilities of AI models. Its customers include Anthropic, OpenAI, and Meta. According to unconfirmed reports circulating online, datasets used by some of Mercor’s customers and information about those customers’ secretive AI projects may have been compromised in the breach. The incident was linked to a supply-chain attack involving LiteLLM, a widely used open-source library for connecting applications to AI services.

Full report : The high-flying startup that provides AI training data to OpenAI, Anthropic, and Meta confirms it was hit by a “supply-chain attack.”