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Do What I Say: A Spoken Prompt Dataset for Instruction-Following

arXiv cs.CL / 3/11/2026

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Key Points

  • Speech Large Language Models (SLLMs) are increasingly used but are mostly evaluated with text prompts, which do not capture real-world spoken interactions.
  • The DoWhatISay (DOWIS) dataset is introduced as a multilingual, human-recorded spoken and written prompt collection designed to benchmark SLLMs using realistic spoken instructions.
  • DOWIS spans 9 tasks across 11 languages, with 10 prompt variants per task-language pair and five different speaking styles, enabling comprehensive evaluation.
  • Benchmarking with DOWIS shows text prompts outperform spoken prompts in most scenarios, especially in low-resource and cross-lingual contexts, except for speech-output tasks where spoken prompts perform comparably.
  • This work emphasizes the necessity to include speech-based prompting in SLLM evaluation to better capture real-world user interactions and improve model robustness across modalities and languages.

Computer Science > Computation and Language

arXiv:2603.09881 (cs)
[Submitted on 10 Mar 2026]

Title:Do What I Say: A Spoken Prompt Dataset for Instruction-Following

View a PDF of the paper titled Do What I Say: A Spoken Prompt Dataset for Instruction-Following, by Maike Z\"ufle and Sara Papi and Fabian Retkowski and Szymon Mazurek and Marek Kasztelnik and Alexander Waibel and Luisa Bentivogli and Jan Niehues
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Abstract:Speech Large Language Models (SLLMs) have rapidly expanded, supporting a wide range of tasks. These models are typically evaluated using text prompts, which may not reflect real-world scenarios where users interact with speech. To address this gap, we introduce DoWhatISay (DOWIS), a multilingual dataset of human-recorded spoken and written prompts designed to pair with any existing benchmark for realistic evaluation of SLLMs under spoken instruction conditions. Spanning 9 tasks and 11 languages, it provides 10 prompt variants per task-language pair, across five styles. Using DOWIS, we benchmark state-of-the-art SLLMs, analyzing the interplay between prompt modality, style, language, and task type. Results show that text prompts consistently outperform spoken prompts, particularly for low-resource and cross-lingual settings. Only for tasks with speech output, spoken prompts do close the gap, highlighting the need for speech-based prompting in SLLM evaluation.
Subjects: Computation and Language (cs.CL)
Cite as: arXiv:2603.09881 [cs.CL]
  (or arXiv:2603.09881v1 [cs.CL] for this version)
  https://doi.org/10.48550/arXiv.2603.09881
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arXiv-issued DOI via DataCite

Submission history

From: Maike Züfle [view email]
[v1] Tue, 10 Mar 2026 16:39:46 UTC (190 KB)
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