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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2605.29940 |
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| _version_ | 1866917543898251264 |
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| author | Hu, Zhenlin Wang, Yan Bi, Zhen Xue, Zihao Zhu, Bingyu Huang, Longtao Zhang, Xiongtao Yang, Zeyu Chu, Zhixuan Lou, Jungang |
| author_facet | Hu, Zhenlin Wang, Yan Bi, Zhen Xue, Zihao Zhu, Bingyu Huang, Longtao Zhang, Xiongtao Yang, Zeyu Chu, Zhixuan Lou, Jungang |
| contents | Large language models (LLMs) have been widely adopted for synthetic data generation, significantly reducing annotation costs. However, most existing studies treat synthesis as a set of isolated tasks and overlook a more fundamental question: whether a model can learn to synthesize by accumulating experience from past tasks and transferring it to future ones. In this work, we introduce StreamSynth, a new setting in which synthesis tasks arrive sequentially and experience from historical tasks provides informative signals for future synthesis. To address this setting, we propose SynLearner, a general framework that enables synthesis models to acquire reusable synthesis experience over a task stream. Instead of generating data independently for each task, SynLearner encourages the model to explore diverse synthesis patterns, learn from feedback, and balance sample quality with set-level diversity as tasks evolve. Extensive experiments across multiple benchmarks show that SynLearner effectively leverages experience from earlier tasks to improve synthesis performance on later ones, exhibiting consistent cross-task transferability. These findings provide evidence for the feasibility of StreamSynth and highlight synthetic data generation as an experience-driven process that can benefit from task streams. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_29940 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Make LLM Learn to Synthesize from Streaming Experiences through Feedback Hu, Zhenlin Wang, Yan Bi, Zhen Xue, Zihao Zhu, Bingyu Huang, Longtao Zhang, Xiongtao Yang, Zeyu Chu, Zhixuan Lou, Jungang Artificial Intelligence Large language models (LLMs) have been widely adopted for synthetic data generation, significantly reducing annotation costs. However, most existing studies treat synthesis as a set of isolated tasks and overlook a more fundamental question: whether a model can learn to synthesize by accumulating experience from past tasks and transferring it to future ones. In this work, we introduce StreamSynth, a new setting in which synthesis tasks arrive sequentially and experience from historical tasks provides informative signals for future synthesis. To address this setting, we propose SynLearner, a general framework that enables synthesis models to acquire reusable synthesis experience over a task stream. Instead of generating data independently for each task, SynLearner encourages the model to explore diverse synthesis patterns, learn from feedback, and balance sample quality with set-level diversity as tasks evolve. Extensive experiments across multiple benchmarks show that SynLearner effectively leverages experience from earlier tasks to improve synthesis performance on later ones, exhibiting consistent cross-task transferability. These findings provide evidence for the feasibility of StreamSynth and highlight synthetic data generation as an experience-driven process that can benefit from task streams. |
| title | Make LLM Learn to Synthesize from Streaming Experiences through Feedback |
| topic | Artificial Intelligence |
| url | https://arxiv.org/abs/2605.29940 |