CLJun 10, 2025

EIFBENCH: Extremely Complex Instruction Following Benchmark for Large Language Models

arXiv:2506.08375v28 citationsh-index: 19EMNLP
Originality Incremental advance
AI Analysis

This addresses the need for more robust evaluation tools for LLMs in real-world applications, though it is incremental as it builds on existing benchmarking efforts.

The authors tackled the lack of realistic benchmarks for evaluating large language models (LLMs) in complex multi-task scenarios by introducing EIFBENCH, a benchmark that revealed significant performance gaps in existing LLMs when handling extremely complex instructions.

With the development and widespread application of large language models (LLMs), the new paradigm of "Model as Product" is rapidly evolving, and demands higher capabilities to address complex user needs, often requiring precise workflow execution which involves the accurate understanding of multiple tasks. However, existing benchmarks focusing on single-task environments with limited constraints lack the complexity required to fully reflect real-world scenarios. To bridge this gap, we present the Extremely Complex Instruction Following Benchmark (EIFBENCH), meticulously crafted to facilitate a more realistic and robust evaluation of LLMs. EIFBENCH not only includes multi-task scenarios that enable comprehensive assessment across diverse task types concurrently, but also integrates a variety of constraints, replicating complex operational environments. Furthermore, we propose the Segment Policy Optimization (SegPO) algorithm to enhance the LLM's ability to accurately fulfill multi-task workflow. Evaluations on EIFBENCH have unveiled considerable performance discrepancies in existing LLMs when challenged with these extremely complex instructions. This finding underscores the necessity for ongoing optimization to navigate the intricate challenges posed by LLM applications.

Code Implementations1 repo
Foundations

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