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osim-4b – AI Model by cmu-lti | AlphaNeural AI
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cmu-lti
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osim-4b
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transformers
safetensors
qwen3
text-generation
human-simulation
user-simulation
behavioral-modeling
conversational
Qwen/Qwen3-4B
finetune
mit
text-generation-inference
endpoints_compatible
us
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OSim-4B (post-trained, text)
Post-trained (text) 4B checkpoint of
OSim
(OdysSim) for human-behavior / user simulation. Mirror of
sunweiwei/OSim-4B
. 4B sibling of
cmu-lti/osim-8b-post
.
Training
Base: Qwen3-4B -> OdysSim midtraining -> task-specific RL + expert consolidation.
Citation
Cite the OdysSim paper (
Building Foundation Models for Human Behavior Simulation
). Code:
https://github.com/sunnweiwei/OdysSim
