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Microsoft 365 Copilot Blog
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Introducing multi-model intelligence in Researcher

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gauravanand
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Mar 30, 2026
Today, Researcher—Microsoft 365 Copilot's deep research agent for work—takes a significant step forward. Designed to tackle complex research in the flow of work, Researcher now goes further with two ...
DRACO (Deep Research Accuracy, Completeness, and Objectivity) benchmark scores across 100 complex research tasks spanning 10 domains. All results are sourced from the original paper [Zhong et al., arXiv:2602.11685 (Feb. 2026)], except for Researcher with Critique. Researcher with Critique achieves a substantial improvement of +7.0 points (SEM ±1.90) in the aggregated score, +13.88% over Perplexity Deep Research (Claude Opus 4.6 model), the best system reported in the paper.
Updated Mar 30, 2026
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