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#artificial intelligence Preprint Oct 2026

Stateless Language Agents: Scaling Long-Horizon Automated Research

Automated research systems increasingly run LLM agents over long horizons, but more inference does not by itself produce more progress: agents replay growing histories, duplicate one another's work, or stop experimenting while token consumption continues. Yet most evaluations use short budgets or benchmarks that satura...

Qizheng Zhang, Chang Ji, Isaac Sun et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Sentry: Learning to Recover from LLM Agent Failures at Test Time

LLM agents often fail mid-task due to invalid tool calls, repeated actions, or poorly grounded reasoning, and learning from these failures is a path to reliability. We find that how failure knowledge reaches the agent matters as much as what it contains. Failure lessons are conditional: kept in the agent's context, the...

Chang Ji, Amy Lu, Qizheng Zhang et al. · 0 citations

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