[VLDB' 25] ChatTS 8B 1103 Model [VLDB' 25] ChatTS: Aligning Time Series with LLMs via Synthetic Data for Enhanced Understanding and Reasoning ChatTS focuses on Understanding and Reasoning about time series, much like what vision/video/audio MLLMs do. This is a Qwen3 8B version of ChatTS 14B, with some minor bug fixes and improvements on short time series length and instructions following capabilities. Web Demo The Web Demo of ChatTS is available at HuggingFace Spaces: Key Features ChatTS is a Multimodal LLM built natively for time series as a core modality： ✅ Native support for multivariate time series ✅ Flexible input : Supports multivariate time series with different lengths and flexible dimensionality ✅ Conversational understanding + reasoning : Enables interactive dialogue over time series to explore insights about time series ✅ Preserves raw numerical values : Can answer statistical questions , such as "How large is the spike at timestamp t?" ✅ Easy integration with existing LLM pipelines , including support for vLLM . Example Application Here is an example of a ChatTS application, which allows users to interact with a LLM to understand and reason about time series data: Link…
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