Generation with Dynamic Vocabulary
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Abstract (arXiv)
We introduce a new dynamic vocabulary for language models. It can involve arbitrary text spans during generation. These text spans act as basic generation bricks, akin to tokens in the traditional static vocabularies. We show that, the ability to generate multi-tokens atomically improve both generation quality and efficiency (compared to the standard language model, the MAUVE metric is increased by 25%, the latency is decreased by 20%). The dynamic vocabulary can be deployed in a plug-and-play way, thus is attractive for various downstream applications. For example, we demonstrate that dynamic vocabulary can be applied to different domains in a training-free manner. It also helps to generate reliable citations in question answering tasks (substantially enhancing citation results without compromising answer accuracy).
Key facts. Cited by 5 papers in the map (data through 7 Oct 2026). Builds on 44 of its 51 references that are in the map. First posted on arXiv 11 Oct 2024.
Builds on
44 of 51 references.
References · 44
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32 more
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Built on by
Citing papers per year: 2025: 3; 2026: 2.
5 papers.
- 2025TeleMem: Building Long-Term and Multimodal Memory for Agentic AIcited by 14
- 2025Protein Design with Dynamic Protein Vocabularycited by 5
- 2025zip2zip: Inference-Time Adaptive Tokenization via Online Compressioncited by 3
- 2026On Discriminative vs. Generative classifiers: Rethinking MLLMs for Action Understandingcited by 1
- 2026Flow of Spans: Generalizing Language Models to Dynamic Span-Vocabulary via GFlowNetscited by 0
- 2026On Discriminative vs. Generative classifiers: Rethinking MLLMs for Action Understanding3 Mar 2026
- 2026Flow of Spans: Generalizing Language Models to Dynamic Span-Vocabulary via GFlowNets11 Feb 2026
- 2025TeleMem: Building Long-Term and Multimodal Memory for Agentic AI12 Dec 2025
- 2025zip2zip: Inference-Time Adaptive Tokenization via Online Compression1 Jun 2025
- 2025Protein Design with Dynamic Protein Vocabulary25 May 2025