Anthropic has signed a term sheet for a $10 billion funding round at a $350 billion valuation, CNBC confirmed on Wednesday.

Coatue and Singapore sovereign wealth fund GIC are leading the financing, according to a source familiar who asked not to be named because the discussions are confidential.

A representative for Anthropic declined to comment. The Wall Street Journal was first to report the funding round.

Anthropic was founded in 2021 by former OpenAI research executives, including its CEO, Dario Amodei. The company is best known for developing a family of large language models called Claude.

has invested billions of dollars in Anthropic, and in November, Microsoft