Trinity-Large-Thinking by Arcee
The first open model as performant as Opus 4.6, 96% cheaper
Trinity-Large-Thinking by Arcee launched on April 3, 2026 with 78 votes, #604 of 21,248 launches that month and more than 95% of that year's launches.
What it does
Arcee AI is an American open-intelligence lab focused on accelerating the competitive landscape for open-weight models in the United States.
Arcee is an open intelligence lab based in the U.S. Our models are open-weight, transparent, customizable, and built to run wherever you need them.
AI works best when people can build on it freely. Arcee develops open-weight models in the U.S. and releases them for everyone. Meet Trinity, an open-weight model family that runs anywhere. Your everyday workhorse with balanced performance and speed. Latest Press The Race to Build an American Alternative to Cheap AI From China wsj.com Ship on our API or download the models and run them yourself. Every model is open-weight, so you can inspect, fine-tune, and go to production on yourfrom arcee.ai
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