As OpenAI tries to raise a record-breaking $40 billion in equity funding this year, it's getting help from more of its existing investors.

Peter Thiel's Founders Fund and Dragoneer Investment Group have committed to investing more than $1 billion each in the second, $30 billion installment of the round, according to a person who spoke to OpenAI executives. SV Angel, known for its investments in nascent startups, has committed to investing over $200 million in the round, according to the person.