Canonical event

Microsoft adopts common plugin model across copilots

Microsoft adopted interoperability with the OpenAI plugin model across ChatGPT, Bing and Copilot-oriented products.

Artifacts

Common plugin model across copilots
evidenced_by · tool_integration_standardization

Signals

Model-to-tool interaction moved from isolated alpha and research patterns toward reusable plugin and structured function-call interfaces spanning multiple product and developer ecosystems.
supported inference

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