GitHub Copilot has added OpenAI’s GPT-5.4 coding model, bringing improvements to reasoning and multi step development tasks.

GitHub Copilot has just added GPT-5.4 to its roster of large language models that it supports. The addition comes just hours after GPT-5.4 was published by OpenAI.

OpenAI’s GPT-5.4 is rolling out in GitHub Copilot, bringing stronger reasoning, better coding accuracy, and improved support for complex tasks.

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