mlsanityData to 7 Oct 2026

Time series reasoning

88 papers0 this weekHigh confidence in this grouping: the papers form one clear topicHigh confidence in this grouping: the papers form one clear topic · About

Keywords: time series, series, time, forecasting, series forecasting

Key facts. Time series reasoning: 88 papers on arXiv since 2024 (data through 7 Oct 2026). 33 of its 88 mapped papers (38%) cite “ChatTS: Aligning Time Series with LLMs via Synthetic Data for Enhanced Understanding and Reasoning” (2024, arXiv 2412.03104). 28 of its 88 mapped papers (32%) cite “Language Models Still Struggle to Zero-shot Reason about Time Series” (2024, arXiv 2404.11757). 2 new papers 17 Sep–7 Oct.

What’s new

17 Sep – 7 Oct 2026

2 new since 17 Sep

  1. SEER: Self-Evolving Event Reasoning and Retrieval for Time Series Forecasting
  2. OpenTSLM TeeMoE: A Unified Time-Series Language Model for Forecasting, Contextual Prediction, and Reasoning

Foundations

Most cited by papers here

  1. ChatTS: Aligning Time Series with LLMs via Synthetic Data for Enhanced Understanding and Reasoning2024cited by 33 here
  2. Language Models Still Struggle to Zero-shot Reason about Time Series2024cited by 28 here
  3. MTBench: A Multimodal Time Series Benchmark for Temporal Reasoning and Question Answering2025cited by 18 here
  4. Towards Time Series Reasoning with LLMs2024cited by 15 here
  5. A Picture is Worth A Thousand Numbers: Enabling LLMs Reason about Time Series via Visualization2024cited by 15 here

Lineage

The papers this direction builds on, oldest first.

Each paper on the line cites the one before.

  1. 2022Chain-of-Thought Prompting Elicits Reasoning in Large Language Modelscited by 26 here
  2. 2022Self-Consistency Improves Chain of Thought Reasoning in Language Modelscited by 7 here
  3. 2022Least-to-Most Prompting Enables Complex Reasoning in Large Language Modelscited by 6 here
  4. 2022ReAct: Synergizing Reasoning and Acting in Language Modelscited by 12 here
  5. 2023Tree of Thoughts: Deliberate Problem Solving with Large Language Modelscited by 5 here
  6. 2024DeepSeekMath: Pushing the Limits of Mathematical Reasoning in Open Language Modelscited by 16 here
  7. 2025DeepSeek-R1: Incentivizing Reasoning Capability in LLMs via Reinforcement Learningcited by 16 here
  8. 2025Evaluating System 1 vs. 2 Reasoning Approaches for Zero-Shot Time Series Forecasting: A Benchmark and Insightscited by 7 here
  9. 2025Time Series Forecasting via Reasoning: A Slow-Thinking Approach with Reinforcement Fine-Tuned LLMscited by 11 here
15 more it builds on, not in this chain
  1. 2022Large Language Models are Zero-Shot Reasonerscited by 5 here
  2. 2023LLaMA: Open and Efficient Foundation Language Modelscited by 6 here
  3. 2024Language Models Still Struggle to Zero-shot Reason about Time Seriescited by 28 here
  4. 2024Towards Time Series Reasoning with LLMscited by 15 here
  5. 2024A Picture is Worth A Thousand Numbers: Enabling LLMs Reason about Time Series via Visualizationcited by 15 here
  6. 2024ChatTS: Aligning Time Series with LLMs via Synthetic Data for Enhanced Understanding and Reasoningcited by 33 here
  7. 2024DeepSeek-V3 Technical Reportcited by 7 here
  8. 2025Achieving Time Series Reasoning Requires Rethinking Model Design, Tasks Formulation, and Evaluationcited by 7 here
  9. 2025DAPO: An Open-Source LLM Reinforcement Learning System at Scalecited by 6 here
  10. 2025MTBench: A Multimodal Time Series Benchmark for Temporal Reasoning and Question Answeringcited by 18 here
  11. 2025Qwen3 Technical Reportcited by 18 here
  12. 2025Can Slow-thinking LLMs Reason Over Time? Empirical Studies in Time Series Forecastingcited by 7 here
  13. 2025TimeMaster: Training Time-Series Multimodal LLMs to Reason via Reinforcement Learningcited by 7 here
  14. 2025SciTS: Scientific Time Series Understanding and Generation with LLMscited by 5 here
  15. 2025OpenTSLM: Time-Series Language Models for Reasoning over Multivariate Medical Text- and Time-Series Datacited by 7 here

The 24 most cited of 256.

Browse

30 of 88, ranked 6–35

  1. 6Time Series Forecasting via Reasoning: A Slow-Thinking Approach with Reinforcement Fine-Tuned LLMs202511
  2. 7Achieving Time Series Reasoning Requires Rethinking Model Design, Tasks Formulation, and Evaluation20257
  3. 8Evaluating System 1 vs. 2 Reasoning Approaches for Zero-Shot Time Series Forecasting: A Benchmark and Insights20257
  4. 9Can Slow-thinking LLMs Reason Over Time? Empirical Studies in Time Series Forecasting20257
  5. 10TimeMaster: Training Time-Series Multimodal LLMs to Reason via Reinforcement Learning20257
  6. 11OpenTSLM: Time-Series Language Models for Reasoning over Multivariate Medical Text- and Time-Series Data20257
  7. 12TimeART: Towards Agentic Time Series Reasoning via Tool-Augmentation20265
  8. 13SciTS: Scientific Time Series Understanding and Generation with LLMs20255
  9. 14TS-Reasoner: Domain-Oriented Time Series Inference Agents for Reasoning and Automated Analysis20244
  10. 15TSRBench: A Comprehensive Multi-task Multi-modal Time Series Reasoning Benchmark for Generalist Models20263
All 30
  1. 16TempoGPT: Enhancing Time Series Reasoning via Quantizing Embedding20253
  2. 17When LLM Meets Time Series: Can LLMs Perform Multi-Step Time Series Reasoning and Inference20253
  3. 18A Survey of Reasoning and Agentic Systems in Time Series with Large Language Models20253
  4. 19AlphaCast: A Human Wisdom-LLM Intelligence Co-Reasoning Framework for Interactive Time Series Forecasting20253
  5. 20Implicit Reasoning in Deep Time Series Forecasting20243
  6. 21SenTSR-Bench: Thinking with Injected Knowledge for Time-Series Reasoning20262
  7. 22LLaTiSA: Towards Difficulty-Stratified Time Series Reasoning from Visual Perception to Semantics20262
  8. 23Investigating Compositional Reasoning in Time Series Foundation Models20252
  9. 24Chat-TS: Enhancing Multi-Modal Reasoning Over Time-Series and Natural Language Data20252
  10. 25Enhancing LLM Reasoning for Time Series Classification by Tailored Thinking and Fused Decision20252
  11. 26Can Large Language Models Adequately Perform Symbolic Reasoning Over Time Series?20252
  12. 27TS-Reasoner: Aligning Time Series Foundation Models with LLM Reasoning20252
  13. 28TS-Agent: Understanding and Reasoning Over Raw Time Series via Iterative Insight Gathering20252
  14. 29TimeSense:Making Large Language Models Proficient in Time-Series Analysis20252
  15. 30MemCast: Memory-Driven Time Series Forecasting with Experience-Conditioned Reasoning20261
  16. 31Rethinking the Role of LLMs in Time Series Forecasting20261
  17. 32Adaptive Time Series Reasoning via Segment Selection20261
  18. 33PATRA: Pattern-Aware Alignment and Balanced Reasoning for Time Series Question Answering20261
  19. 34TFRBench: A Reasoning Benchmark for Evaluating Forecasting Systems20261
  20. 35Output Scaling: YingLong-Delayed Chain of Thought in a Large Pretrained Time Series Forecasting Model20251