Copilot Fusion is generally available and cross-repository Projects enters public preview; GitHub says Fusion used about half the API cost per task in a benchmark.
By [Ryan Merket](https://runtimewire.com/author/ryan-merket)
· Published
Primary source: [x.com](https://x.com/satyanadella/status/2115490856685990244)
Why it matters #
GitHub is using its code-hosting position to make model routing and multi-agent execution part of the same workflow as repositories and pull requests. Adoption will depend on whether agents can complete cross-repository work reliably, with review and costs clear to the developer.
Satya Nadella (@satyanadella) used GitHub Universe on October 28th to present GitHub Copilot as an agent orchestration system: one that selects models, runs agents across repositories and returns work for developers to review. The Microsoft chairman and CEO's post highlighted GitHub Copilot Fusion, Copilot Projects and the availability of GitHub's Copilot harness in Microsoft Foundry.
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