Dataset · Hugging Face

thepowerfuldeez/1218_imu1_base_stable_corpus

Name: 1218_imu1_base_stable_corpus
Creator: thepowerfuldeez
License: apache-2.0
Keywords: task_categories:text-generation, language:en, license:apache-2.0, size_categories:10B<n<100B, arxiv:2602.02522, region:us, pretraining, language-model, imu-1, tokenized

IMU-1 Stage 1 Training Corpus (Stable Phase) Pre-tokenized training data for Stage 1 (stable phase) of IMU-1, a sample-efficient 430M parameter language model. Dataset Details Property Value Tokens ~29B Format Memory-mapped NumPy (.npy) Tokenizer SmolLM2-360M Vocab size 49,152 Data Sources High-quality filtered web data including: DCLM-edu (educational content filtered from DCLM) FineWeb-edu Curated web sources Download… See the full description on the dataset page: https://huggingface.co/datasets/thepowerfuldeez/1218_imu1_base_stable_corpus.

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Author / organization	thepowerfuldeez
License (as declared)	apache-2.0
Downloads	154 (as reported by Hugging Face)
Likes	0
Created	18 December 2025
Last updated at source	4 February 2026

pretraininglanguage-modelimu-1tokenized

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