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FrontierCS 2 benchmark tests LLM agents on computer science R&D tasks

A new benchmark called FrontierCS 2 has been introduced to evaluate the capabilities of LLM agents in contributing to frontier computer science research. This benchmark features 48 open-ended tasks across 13 domains, where agents are placed in a research environment and can submit code patches for evaluation. The best-performing agent, Claude Opus 5.5, managed to pass 58% of its runs, indicating that even advanced agents struggle with many of these complex R&D tasks. AI

IMPACT This benchmark will help researchers assess and improve the capabilities of LLM agents in complex, open-ended research tasks.

RANK_REASON The cluster describes a new benchmark for evaluating LLM agents on computer science R&D tasks, published on arXiv and highlighted by Hugging Face.

Read on Hugging Face Daily Papers →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

FrontierCS 2 benchmark tests LLM agents on computer science R&D tasks

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The cluster describes a new benchmark for evaluating LLM agents on computer science R&D tasks, published on arXiv and highlighted by Hugging Face.
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COVERAGE [2]

  1. arXiv cs.LG TIER_1 English(EN) · Qiuyang Mang, Wenhao Chai, Runyuan He, Dongruixuan Li, Zihan Zheng, Yujun He, Xuanyi Zhou, Hao Wang, Siddhant Ray, Bo Peng, Ruyi Ji, Shuo Yang, Haocheng Xi, Boru Chen, Xinyang David Han, Melissa Pan, Mayank Mishra, Boxi Yu, Sijia Liu, Kerem Akillioglu, Y… ·

    FrontierCS 2: A Benchmark for Computer Science R&D

    arXiv:2610.29932v1 Announce Type: new Abstract: Can LLM agents make contributions to frontier computer science R&amp;D? We introduce FrontierCS 2, a benchmark of 48 open-ended tasks. We take a paper and the code its authors released and delete the paper's contribution. The delete…

  2. Hugging Face Daily Papers TIER_1 English(EN) ·

    FrontierCS 2: A Benchmark for Computer Science R&D

    FrontierCS 2 evaluates LLM agents on open-ended computer science R&D tasks using hidden evaluation suites and reveals that even the best agents pass only about half of tasks.