Microsoft 365 copilot token limit

Akanksha Chauhan 0 Reputation points
2026-09-11T10:06:57.45+00:00

We are looking for clarification regarding a query related to Microsoft 365 Copilot. Since Copilot now supports models from both Anthropic (Claude) and OpenAI, we would like to understand whether there are any token usage or token limits associated with using these models.

We have reviewed the available Microsoft documentation but have not been able to find any appropriate official documentation from Microsoft that clearly specifies whether such token limits apply.

Microsoft Copilot | Microsoft 365 Copilot | Development
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  1. AI answer

    2026-09-11T10:07:11.15+00:00

    Microsoft has not published official documentation in the provided sources that defines specific token limits for Microsoft 365 Copilot when using Anthropic or OpenAI models.

    The supported facts are:

    • Microsoft Copilot can use third-party AI models, including Anthropic and OpenAI models.
    • Admins can decide whether to use certain third-party models for Copilot experiences, and additional terms can apply.
    • AI models that power Microsoft Copilot are regularly updated, but those updates do not change security, privacy, or compliance settings.
    • For consumer Microsoft 365 subscriptions, Microsoft documents feature usage limits and AI credits by plan, but that is different from publishing per-model token limits.

    Based on the available Microsoft documentation here, there is no official Microsoft statement listing token windows, input token caps, or output token caps for Microsoft 365 Copilot models.


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