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Elon Musk's Testimony in OpenAI Lawsuit: Trust Issues and xAI's Use of OpenAI Models
Importance: 85/10010 Sources
Why It Matters
This trial underscores the fierce competition and complex legal challenges within the rapidly evolving AI industry, with potential ramifications for intellectual property rights, competitive practices, and the future strategies of key AI developers like OpenAI and xAI.
Key Intelligence
- ■Elon Musk testified in the Musk v. Altman trial, stating he lost trust in the motives of OpenAI's other leaders.
- ■Musk asserted there was no formal written agreement regarding his substantial early donations to OpenAI.
- ■He admitted under oath that his AI company, xAI, utilized OpenAI's models to train its own Grok AI, defending it as standard industry practice.
- ■Musk faced intense cross-examination, during which his past public statements, including tweets, were used against him.
Source Coverage
Google News - AI & Bloomberg
4/29/2026Musk Recounts Losing Trust in Motives of OpenAI’s Other Leaders - Bloomberg
Wired.com
4/29/2026How Elon Musk Squeezed OpenAI: They 'Are Gonna Want to Kill Me’
Google News - AI & TechCrunch
4/29/2026On the stand, Elon Musk can’t escape his own tweets - TechCrunch
Google News - AI & Bloomberg
4/30/2026Musk Says No Written Agreement for His Early Donation to OpenAI - Bloomberg.com
Wired.com
4/30/2026Musk v. Altman Kicks Off, DOJ Guts Voting Rights Unit, and Is the AI Job Apocalypse Overhyped?
Wired.com
4/30/2026Elon Musk Seemingly Admits xAI Has Used OpenAI’s Models to Train Its Own
Google News - AI & TechCrunch
4/30/2026Elon Musk testifies that xAI trained Grok on OpenAI models - TechCrunch
Google News - AI & Models
4/30/2026Elon Musk confirms xAI used OpenAI’s models to train Grok - The Verge
Google News - AI & Models
4/30/2026Elon Musk Seemingly Admits xAI Has Used OpenAI's Models to Train Its Own - WIRED
Google News - AI & Models
4/30/2026