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Large Language ModelsAI Safety & AlignmentAI WeeklyPublished: Oct 24, 2026, 04:00 JST

OpenDS-World: GPT-6 Astra 39.0% Beats Humans' 21.1%

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OpenDS-World: GPT-6 Astra 39.0% Beats Humans' 21.1%

3 Key Points

  1. What happened

    A 25-author team spanning HKUST(GZ), Fudan, Stanford and Microsoft Research released OpenDS-World, where GPT-6 Astra hit 39.0% accuracy on 200 live-web tasks versus 21.1% for humans per attempt.

  2. Why it matters

    Testing on the live web removes the memorization advantage of snapshot benchmarks, and at 39.0% the top model already clears the human per-attempt rate on real-time research — apparently resetting the baseline for this agent class.

WHO IT HITSAI research teams and benchmark designers who evaluate deep-search agents now have a live-web standard where the leading model already beats humans per attempt; builders of search agents may face pressure to address tool coordination and long-horizon search management.

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Context & Analysis

The team behind OpenDS-World spans HKUST(GZ), Fudan University, Stanford, and Microsoft Research — a 25-author collaboration. Their benchmark covers 200 tasks across eight domains: culture, daily life, science, economy, history, nature, society, and technology. All twelve frontier models and the human participants used shared tools and the same search budget, so the comparison holds conditions constant.

The benchmark finds substantial variation in research strategies across models. That variation, combined with the persistent failure modes of tool coordination and long-horizon search management, suggests the gap between the leading 39.0% and the human 21.1% per-attempt rate is not the whole story — the remaining errors cluster around how agents manage multi-step searches rather than raw knowledge. Because tasks run on the live web, results may shift as the web itself changes, a property snapshot benchmarks do not have.

FAQ
How does OpenDS-World differ from earlier benchmarks?
Tasks run on the live, unmodified web rather than archived snapshots, which removes the memorization confound that affects snapshot-based benchmarks.
Which models were evaluated and how did they rank?
Twelve frontier models were tested; GPT-6 Astra led at 39.0%, followed by Claude Opus 5.5 at 38.0% and Gemini 3.8 Flash at 36.5%.
What are the main failure modes the paper identifies?
Tool coordination and long-horizon search management are persistent failure modes, and they remain unsolved across all 12 evaluated models.
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