Microsoft Copilot Cost Cutting: Phasing Out OpenAI & Anthropic Models for In-House MAI
Decision Brief
What changedMicrosoft is replacing OpenAI and Anthropic models in products like Excel and Outlook with its own MAI models to reduce costs, with tens of thousands of weekly queries already using the new models.
Why it mattersFor Copilot users, this could mean worse performance at the same price, as in-house models may be less capable than external ones.
Who should careTeams building on model APIs, AI coding tool users
Affected stackClaudeOpenAICopilot
Builder actionWorth evaluating: can Claude replace or complement your current model
Source confidenceMedium · Reliable media or first-hand reporting
Microsoft is replacing AI models from OpenAI and Anthropic in its Copilot products with its in-house MAI models. Tens of thousands of queries already run on these new models weekly. AI chief Mustafa Suleyman says they aim to 'eventually eliminate' costs of external models. For Copilot subscribers, this shift could degrade performance at the same price point, as in-house models may not match GPT-4 or Claude. Microsoft is prioritizing cost savings, potentially at the expense of user experience.
Summary basis: official / RSS sourceCompiled from the source scope noted above; the original remains authoritative.
Sources
- The Decoder：AI News
- The Decoder：AI News
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