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Microsoft seeks to throw out lawsuit from ChatGPT Plus subscribers alleging its agreement with OpenAI led to inflated prices

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Case Summary

Microsoft is seeking to dismiss a lawsuit filed by ChatGPT Plus subscribers who allege that Microsoft's agreement with OpenAI led to inflated subscription prices for the AI service. The plaintiffs claim that a secret deal between Microsoft and OpenAI, including Azure exclusivity, restricted compute supply and artificially increased costs for users. Microsoft counters that the lawsuit relies on speculative assertions without concrete evidence of harm, urging the court to throw out the claims. The case also involves questions about arbitration clauses related to OpenAI agreements and whether these affect the legal proceedings. The judge has expressed skepticism regarding some of Microsoft's legal arguments, indicating ongoing judicial scrutiny of the claims.

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Key Issues

  • Alleged collusion between Microsoft and OpenAI
  • Impact of exclusivity agreements on pricing
  • Antitrust claims related to AI service subscription costs
  • Validity of arbitration clauses in technology agreements
  • Proof of harm and speculative nature of antitrust allegations
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Opinion April 13, 2026

Microsoft seeks to throw out lawsuit from ChatGPT Plus subscribers alleging its agreement with OpenAI led to inflated prices

Microsoft is asking a federal judge to dismiss a lawsuit filed by ChatGPT Plus subscribers who claim that Microsoft's secret agreement with OpenAI caused ChatGPT subscription prices to rise unfairly. The lawsuit alleges that Microsoft's exclusive deal limited computing resources, driving up costs for users. Microsoft argues that the subscribers' claims are based on speculation without concrete evidence of harm.

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