Olmo Hybrid lands at COLM with a 7B open transformer-RNN design

SonglinYang4 · x · 2026-07-21

Allen AI’s Olmo Hybrid has been accepted to COLM.

The model is a 7B fully open system that combines transformer and linear RNN layers. The team says it clearly beats Olmo 3 7B on evaluations, and pairs the release with new theory and scaling experiments explaining why the hybrid design works.

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