AI task pass rate increased by 22.1%p… Microsoft internal evaluation
Original headlineAI 과제 통과율 22.1%p 높아져…마이크로소프트 내부 평가
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Microsoft said applying a new agent execution harness to the same AI models raised pass rates on complex tasks by 22.1 percentage points in an internal evaluation disclosed in a technical white paper on November 7. The experiment compared Copilot Studio's standard execution framework with a new Copilot harness, with Claude Opus 4.8 gaining 22.1 points and GPT-5.5 Chat improving 10.8 points. The results indicate that how an agent manages tools and task steps can materially change benchmark outcomes even when the underlying model is unchanged. The figures are company-internal and have not been independently verified. Next, watch whether the harness is rolled out across Copilot Studio and other Microsoft products, and whether external benchmarks reproduce the gains.
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Microsoft (MSFT), Copilot Studio, GPT-5.5 Chat, Claude Opus 4.8
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