LightningLM 0.1V — weights-only staged release

This repository is publicly accessible, but you have to accept the conditions to access its files and content.

Access to LightningLM 0.1V weights requires acceptance of the Apache 2.0 license.

This is a weights-only staged release: runnable inference code, model configuration, and custom kernels will be released as a coordinated update. AutoModelForCausalLM.from_pretrained() will not load this model until that update.

This work spans multiple LightningLM papers (tokenizer, Kronecker embeddings, recurrence/MoE architecture). The full citation list will be provided alongside the runnable-code release [URL TBD]. Please cite all relevant LightningLM papers in any derived work.

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LightningLM-0.1V-2B

LightningLM 0.1V — pretrained 1.78B (dense) language model.

Staged release notice

This repository is a weights-only staged release. It contains model weights and tokenizer only. Runnable inference code, model configuration, and custom kernels will be released as a coordinated update; AutoModelForCausalLM.from_pretrained() will not load this model until that update. Weights are provided now for transparency and archival.

Architecture (one-liner)

LightningLM 0.1V: byte-level Kronecker product input embeddings + hybrid attention (gated-delta-net linear attention interleaved with gated sparse attention); vocabulary 131,072 (TSAI 131K BPE tokenizer); Multi-Token Prediction (MTP) head; multi-stream recurrence.

  • Total parameters: 1,781,570,624 (1.78B); all parameters active per token (dense)
  • Precision: bf16 (no upcasting in this release)

Files

  • model-*.safetensors + model.safetensors.index.json — bf16 weights, sharded
  • tokenizer.json, tokenizer_config.json, special_tokens_map.json — TSAI 131K tokenizer
  • LICENSE — Apache 2.0

Training data

(To be expanded.) Multi-lingual corpus covering English plus several Indic scripts (Bengali, Devanagari, Gujarati, Gurmukhi, Kannada, Malayalam, Odia, Tamil, Telugu). Full data description will be released with the accompanying papers.

Citation

This work spans multiple LightningLM papers (tokenizer, Kronecker embeddings, architecture, training methodology). The full list will be linked at the runnable-code release. Until then please cite the Kronecker embeddings paper:

@article{lightninglm_kronecker_2605.29459,
  title  = {Byte-Level Kronecker Product Embeddings},
  author = {TheSchoolOfAI},
  year   = {2026},
  eprint = {2605.29459},
  archivePrefix = {arXiv}
}

License

Apache 2.0. Access requires acceptance of the license and a request via the HuggingFace gated-model flow. Please cite the LightningLM papers in any derived work.

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Paper for theschoolofai/LightningLM-0.1V-2B