Challenge: Existing benchmarks for large language models evaluate LLMs on i.i.d. tasks, overlooking their ability to learn iteratively from past experiences.
Approach: They propose a framework which extends established benchmarks to sequential problem-solving settings and provides feedback after each round to build a demonstration memory that the models can query in future tasks.
Outcome: The proposed framework can improve performance of LLMs by learning from past interactions and improve models' performance over time.

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Challenge: Recent advances in Large Language Models have demonstrated remarkable performance across tasks.
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AgentGym: Evaluating and Training Large Language Model-based Agents across Diverse Environments (2025.acl-long)

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Challenge: Large language models (LLMs) are promising foundations to build generally-capable agents . however, the community lacks a unified interactive framework that covers diverse environments for comprehensive evaluation of agents.
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Enhancing Open-Domain Task-Solving Capability of LLMs via Autonomous Tool Integration from GitHub (2025.acl-long)

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Challenge: Existing approaches lack flexibility to address diverse and ever-evolving user queries in open domains.
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What Makes an LLM a Good Optimizer? A Trajectory Analysis of LLM-Guided Evolutionary Search (2026.findings-acl)

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Challenge: Recent work has demonstrated the promise of orchestrating large language models (LLMs) within evolutionary and agentic optimization systems.
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EvolveBench: A Comprehensive Benchmark for Assessing Temporal Awareness in LLMs on Evolving Knowledge (2025.acl-long)

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Challenge: Existing studies have explored how LLMs perceive time, but they often overlook the critical aspect of knowledge utilization.
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Challenging Large Language Models with New Tasks: A Study on their Adaptability and Robustness (2024.findings-acl)

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Challenge: Existing evaluation approaches for large language models (LLMs) rely on existing tasks and benchmarks, raising concerns about test set contamination and the genuine comprehension abilities of LLMs.
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LLMeBench: A Flexible Framework for Accelerating LLMs Benchmarking (2024.eacl-demo)

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Challenge: Recent development and success of Large Language Models necessitate evaluation of their performance across diverse NLP tasks in different languages.
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Adaptation of Large Language Models (2025.naacl-tutorial)

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Challenge: a tutorial on adaptation of large language models addresses the growing demand for models that go beyond static capabilities.
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Nature-Inspired Population-Based Evolution of Large Language Models (2026.acl-long)

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Challenge: a new framework for population-based evolution of large language models is emerging . a population-driven evolution of LLMs is a key component of evolution, authors say .
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Navigating the Modern Evaluation Landscape: Considerations in Benchmarks and Frameworks for Large Language Models (LLMs) (2024.lrec-tutorials)

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Challenge: General-purpose Language Models have changed the world of Natural Language Processing, if not the world itself.
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