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Judge Questions Microsoft's ChatGPT Arbitration Claims
14 Apr
Summary
- Microsoft seeks dismissal of lawsuit over alleged ChatGPT pricing inflation.
- Subscribers claim compute restrictions limited output and raised costs.
- Judge questions if OpenAI terms apply to Microsoft's arbitration arguments.

Microsoft is challenging an antitrust lawsuit filed by ChatGPT Plus subscribers who allege that the partnership between Microsoft and OpenAI led to inflated subscription prices and reduced service quality. Microsoft has requested a federal judge dismiss the lawsuit, asserting that the plaintiffs cannot demonstrate direct injury because they purchased services directly from OpenAI, not from Microsoft.
If the lawsuit proceeds, Microsoft argues it should be handled through arbitration, citing user agreements for ChatGPT. However, the plaintiffs' attorneys dispute this, stating subscribers never agreed to arbitration with Microsoft. During a hearing, Judge P. Casey Pitts voiced doubts regarding the arbitration claims, questioning the applicability of OpenAI's terms to disputes involving Microsoft.
The core of the dispute involves allegations that Microsoft mandated OpenAI exclusively use its Azure systems for ChatGPT's computing needs. Plaintiffs claim this single-supplier reliance restricted output, increased costs, and slowed service improvements. Microsoft refutes these claims, stating OpenAI sets subscription prices independently and that the alleged agreement pertains to cloud infrastructure, not the consumer AI market. The judge has yet to rule on either the dismissal or arbitration requests.