OpenAI is in talks to sell existing employees’ shares at an $86 billion valuation, according to people with knowledge of the matter. The artificial intelligence startup behind ChatGPT is negotiating the transaction, known as a tender offer, with potential investors, said the people, who asked not to be identified discussing confidential information. The firm hasn’t finalized allocations and terms could still change, some of the people said. OpenAI, which counts Microsoft Corp. as a 49% owner, is led by Chief Executive Officer Sam Altman and President Greg Brockman. At $86 billion, it would leapfrog the likes of ... (full story)