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FollowBench: A Multi-level Fine-grained Constraints Following Benchmark for Large Language Models

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arxiv 2310.20410 v3 pith:DJT4GTDH submitted 2023-10-31 cs.CL

classification cs.CL
keywords llmsfollowbenchconstraintsfollowingconstraintfine-grainedinstructionmulti-level
verification ladder T0 review T1 audit T2 compute T3 formal
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The ability to follow instructions is crucial for Large Language Models (LLMs) to handle various real-world applications. Existing benchmarks primarily focus on evaluating pure response quality, rather than assessing whether the response follows constraints stated in the instruction. To fill this research gap, in this paper, we propose FollowBench, a Multi-level Fine-grained Constraints Following Benchmark for LLMs. FollowBench comprehensively includes five different types (i.e., Content, Situation, Style, Format, and Example) of fine-grained constraints. To enable a precise constraint following estimation on diverse difficulties, we introduce a Multi-level mechanism that incrementally adds a single constraint to the initial instruction at each increased level. To assess whether LLMs' outputs have satisfied every individual constraint, we propose to prompt strong LLMs with constraint-evolution paths to handle challenging open-ended instructions. By evaluating 13 closed-source and open-source popular LLMs on FollowBench, we highlight the weaknesses of LLMs in instruction following and point towards potential avenues for future work. The data and code are publicly available at https://github.com/YJiangcm/FollowBench.

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Cited by 5 Pith papers

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