Billionaire Elon Musk tried to convince Meta CEO Mark Zuckerberg to get behind a joint purchase bid for OpenAI earlier this year, according to court documents.

That’s according to court filings, which state that Musk asked the Meta CEO about “potential financing arrangements or investments” before sending his letter of intent. Neither Zuckerberg nor Meta signed it.

Elon Musk tried to enlist Meta Platforms Chief Executive Mark Zuckerberg as part of his unsolicited $97.4 billion bid to takeover OpenAI earlier this year, according to court filings.A consortium of investors led by Musk offered to buy the nonprofit that controls OpenAI in February as part of the billionaire’s continuing legal battle with the company he co-founded alongside Sam Altman.