AIAhead of AI4 months ago
10 Open-Weight LLM Architectures from Early 2026
28 min read
Sebastian Raschka reviewed ten open-weight LLM releases from January and February 2026. Arcee AI released the 400B parameter Trinity Large, a Mixture-of-Experts model with 13B active parameters. The model uses alternating local:global sliding window attention layers similar to Gemma 3 and Olmo 3.
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