DailyPapers(@HuggingPapers):AREX-2: Advancing Self-Improving Agents through Long-Horizon Reflective Tasks A 27B agent that turns more test-time rounds into better solutions, trained on verifiable ML and algorithmic tasks. Achieves 81.8 on MLE-bench Lite, 70.7 on Frontier-CS, and transfers to deep research.

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2026.10.01 20:25

AREX-2: Advancing Self-Improving Agents through Long-Horizon Reflective Tasks A 27B agent that turns more test-time rounds into better solutions, trained on verifiable ML and algorithmic tasks. Achieves 81.8 on MLE-bench Lite, 70.7 on Frontier-CS, and transfers to deep research.