What it is
OLMoE-1B-7B-0125-Instruct is a language model for chat, drafting and question answering, published by the Allen Institute for AI (Ai2) on Hugging Face on 27 January 2025. It has about 6.9 billion parameters and a configured context window of 4,096 tokens. It is a mixture-of-experts model: 64 experts, 8 used for each token.
Its card lists the licence as Apache 2.0. In short, the licence allows commercial use, modification and redistribution, with attribution and a copy of the licence, and includes a patent grant.
Hugging Face counted about 142,081 downloads of it in the 30 days before we checked (7 Oct 2026), and 68 people have liked it there.
It is built on allenai/OLMoE-1B-7B-0125-DPO, according to its card.