Altman said his memory was that Musk's proposal was for OpenAI to be acquired by Tesla, with Tesla having full control, adding that he was "pretty sure" of this.

True: contemporaneous records (emails or texts released in the Musk v. OpenAI litigation, OpenAI's published Musk emails, or credible firsthand accounts) show that Musk proposed OpenAI be acquired by, merged into or folded into Tesla, with Tesla taking full control. Mostly true: Musk proposed attaching OpenAI to Tesla with Tesla in control, but the form differed slightly (for example, 'attach to Tesla as its cash cow' rather than a formal acquisition). Mixed: Musk floated Tesla as one option among others, or proposed Tesla involvement without clear full control. Mostly false: Musk's proposals were mainly for his own personal control or majority stake, or for a separate for-profit, with Tesla mentioned only in passing. False: records show that Musk made no proposal involving Tesla acquiring or controlling OpenAI.

Set before the research began.

1. E1 5 revealing details from OpenAI's emails with Elon Musk | VentureBeat VentureBeat · 6 March 2024

   “The most promising option, the email said, "would be for OpenAI to attach to Tesla as its cash cow."”

2. E2 OpenAI and Elon Musk OpenAI · 5 March 2024 Own record

   “He then suggested instead merging OpenAI into Tesla. In early February 2018, Elon forwarded us an email suggesting that OpenAI should “attach to Tesla as its cash cow”, commenting that it was “exactly right… Tesla is the only path that could even hope to hold a candle to Google.”

3. E3 Elon Musk tried to poach Sam Altman to Tesla before the conflict over OpenAI - FT – Oninvest Oninvest (reprinting Financial Times reporting) · 7 May 2026

   “Elon Musk in 2018 tried to poach OpenAI's founding team, including Sam Altman, to run a new AI lab inside Tesla and considered making the AI startup a subsidiary of the automaker, the Financial Times wrote, citing court filings between Musk and OpenAI on Wednesday, May 6.”

4. E4 Elon Musk wanted an OpenAI for-profit OpenAI · 13 December 2024 Own record

   “After negotiations broke down, Elon proposed that we spin into Tesla. We would have a billion dollar budget right away and it would increase exponentially from there.”

Independent reporting on the released emails (E1) says an email called attaching OpenAI to Tesla "as its cash cow" the most promising option; OpenAI's own account (E2) says Musk forwarded that email. OpenAI's own account (E2, E4) adds that Musk endorsed this and proposed merging or spinning OpenAI into Tesla. FT reporting on the court filings (E3) says Musk in 2018 considered making OpenAI a Tesla subsidiary and tried to bring its founding team into an AI lab inside Tesla. This supports a Musk proposal to fold OpenAI into Tesla with Tesla in control. However, the form documented ("attach as cash cow", subsidiary) differs somewhat from a formal acquisition with full control, which the criteria list as mostly true.