Bolmo 1B is an open-source language model by allenai. Features: 1b LLM, VRAM: 5.9GB, Context: 64K, License: apache-2.0.
Arxiv:2512.15586 Base model:allenai/olmo-2-0425... Base model:finetune:allenai/ol... Bolmo Custom code Dataset:allenai/bolmo mix En Region:us Safetensors Sharded Tensorflow
Model Card on HF 🤗: https://huggingface.co/allenai/Bolmo-1B
Bolmo 1B Parameters and Internals
| LLM Name | Bolmo 1B |
| Repository 🤗 | https://huggingface.co/allenai/Bolmo-1B |
| Base Model(s) | |
| Model Size | 1b |
| Required VRAM | 5.9 GB |
| Updated | 2026-03-29 |
| Maintainer | allenai |
| Model Type | bolmo |
| Model Files | |
| Supported Languages | en |
| Model Architecture | BolmoForCausalLM |
| License | apache-2.0 |
| Context Length | 65536 |
| Model Max Length | 65536 |
| Transformers Version | 4.57.3 |
| Tokenizer Class | BolmoTokenizer |
| Padding Token | <pad> |
| Vocabulary Size | 520 |
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Original data from HuggingFace, OpenCompass and various public git repos.
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Release v20260328a