osim-4b-mid/README.md

license, base_model, pipeline_tag, library_name, tags

license	base_model	pipeline_tag	library_name	tags
mit	Qwen/Qwen3-4B-Base	text-generation	transformers	human-simulation user-simulation behavioral-modeling

OSim-4B (mid-trained, text)

Mid-trained (text) checkpoint of OSim (OdysSim) at the 4B scale: Qwen3-4B-Base midtrained on the OdysSim corpus (62 behavioral datasets across the five Soul axes). 4B sibling of the post-trained cmu-lti/osim-4b-post; text counterpart pattern of cmu-lti/osim-8b-mid.

Training

• Base: Qwen3-4B-Base
• Stage: midtraining (SFT) on the OdysSim corpus.

Citation

Cite the OdysSim paper (Building Foundation Models for Human Behavior Simulation). Code: https://github.com/sunnweiwei/OdysSim