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Articles from The Allen Institute for AI

Olmo 3: Charting a Path Through the Model Flow to Lead Open Source AI
The Allen Institute for AI (Ai2) today announced Olmo 3, a family of frontier fully open language models that delivers the entire model flow – the complete, transparent pipeline from data to deployment. The release includes the first-ever fully open 32B thinking model that generates explicit reasoning-chain-style content. Olmo 3 gives AI builders full visibility and control over every training stage, checkpoint, and dataset, enabling limitless customization and reproducible research at scale.
By The Allen Institute for AI · Via Business Wire · November 20, 2025
AI2, The Allen Institute for AI, Today Releases the OLMo: A State-of-the-Art, Truly Open-Source LLM and Framework
As the world races to deploy AI models that are effective and safe, the demand for Open Large Language Models (LLMs) has exploded. The massive adoption of both open and closed AI models means that AI capabilities have leapfrogged our ability to understand how they are created. Releasing the OLMo framework will provide the industry with an opportunity to understand what is going on inside AI models.
By The Allen Institute for AI · Via Business Wire · February 1, 2024