Time Series Forecasting
Transformers
Safetensors
Timer-S1
time series
time-series
forecasting
foundation models
pretrained models
time series foundation models
custom_code
Instructions to use bytedance-research/Timer-S1 with libraries, inference providers, notebooks, and local apps. Follow these links to get started.
- Libraries
- Transformers
How to use bytedance-research/Timer-S1 with Transformers:
# pip install -U transformers accelerate # Load model directly from transformers import AutoModel model = AutoModel.from_pretrained("bytedance-research/Timer-S1", trust_remote_code=True, device_map="auto") - Notebooks
- Google Colab
- Kaggle
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README.md
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**Performance**: Timer-S1 achieves **1st CRPS/MASE** scores on [GIFT-Eval](https://huggingface.co/spaces/Salesforce/GIFT-Eval). The model is particularly good at medium-term and long-term forecasting tasks.
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**Inference Speed**: Due to
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**Architecture**: Timer-S1 is a decoder-only Transformer consisting of **TimeMoE** and **TimeSTP** blocks. TimeSTP enables **Serial Forecasting**. It refers to initial input series, iteratively reuses representations from the previous block, and generates multi-step predictions without rolling-style autoregression. The model used a shared forecasting head to produce quantile forecasts.
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**Performance**: Timer-S1 achieves **1st CRPS/MASE** (2026.03) scores on [GIFT-Eval](https://huggingface.co/spaces/Salesforce/GIFT-Eval). The model is particularly good at medium-term and long-term forecasting tasks.
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**Inference Speed**: Due to sparse MoE configuration and serial-forecasting pipeline, Timer-S1 has a fast inference speed (compared to NTP: Next-Token Prediction, MTP: Multi-Token Prediction).
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