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Elon Musk Seeks $134 Billion from OpenAI and Microsoft

Elon Musk is suing OpenAI and Microsoft for $134 billion, claiming unlawful profits from his early support of the AI startup.

Daniel Kim
January 17, 2026 1 min read
Elon Musk Seeks $134 Billion from OpenAI and Microsoft

Elon Musk is pursuing a staggering $134 billion from OpenAI and Microsoft, alleging that the AI firm profited unlawfully from his initial backing. This information has emerged from court documents reported by Reuters.

Musk contends that OpenAI reaped between $65.5 billion and $109.4 billion from his contributions as a co-founder in 2015. Additionally, he estimates his investments in Microsoft to be between $13.3 billion and $25.1 billion as part of ongoing legal disputes.

OpenAI has dismissed Musk's lawsuit as "baseless," asserting that it is part of a harassment campaign from the entrepreneur, who departed the organization in 2018. Musk argues that OpenAI has deviated from its founding principles since it transitioned to a commercial entity.

According to Musk, his financial input constituted about 60% of OpenAI's initial funding, which facilitated the recruitment of essential personnel and the acquisition of significant contracts during the company's early phase.

The damages Musk is seeking were determined by his financial advisor, Si Paul Vazzan. The case is scheduled for jury trial in April, with OpenAI and Microsoft requesting that jurors be protected from what they describe as "fabricated, unverifiable, and implausible" allegations from Musk. They have also challenged the credibility of Musk's damage assessments and the qualifications of his expert witness.

In a related development, OpenAI launched ChatGPT Health in January to provide health consultations, garnering support from medical professionals while competitors rolled out similar offerings.