Tev-Gym

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14:20

2026-10-14

arxiv.org

ai-agents

Tev: Scaling Long-Horizon Agentic Environments with Dense Progress Rewards

A 13 October 2026 arXiv paper introduces Tev-Gym, described as the first long-horizon agent training dataset with verifiable, dense, progressive rewards, comprising 1,170 verified task environments ac…

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Tev-27B 1 progress-potential reward shaping (PPRS) 1 Agents' Last Exam computing and math sciences domains (ALE-CM) 1 Terminal-Bench (TB) 3.0 and 4.0 1 GPT-6 Astra 1 Claude Opus 5 1 GLM 5.2 1

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ai agents 1 ai research 1 large language models 1 machine learning 1 artificial intelligence 1