Open-source releaseModerate global significanceConfirmed confidence
Arcee AI releases 400B MoE model Trinity Large
Arcee AI releases Trinity Large, a 400-billion-parameter mixture-of-experts open model built with model-merging techniques.
What happened
Event details
Released on January 27, 2026, Trinity Large is a 400B mixture-of-experts Transformer assembled through model merging and distributed as an open model.
Assessment
Why it matters
Trinity Large demonstrates model merging at unusually large MoE scale and adds another independently developed model to the open ecosystem.
67/100Global significance score. Regional effects are recorded only when the evidence supports a meaningful difference.
Availability
Access notes
Released as an open model.