December 13, 2025

Ai2's new Olmo 3.1 extends reinforcement learning training for stronger reasoning benchmarks

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Rohit Tandon / Unsplash

The Allen Institute for AI (Ai2) recently released what it calls its most powerful family of models yet, Olmo 3. But the company kept iterating on the models, expanding its reinforcement learning (RL) runs, to create Olmo 3.1.The new Olmo 3.1 models...