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Large Language ModelsAI Business & IndustryTHE DECODERPublished: Apr 12, 2026, 19:00 JST

Arcee AI invests heavily in Trinity-Large-Thinking, a 400B-parameter open model designed to compete with Claude Opus on complex reasoning tasks.

Arcee AI invests heavily in Trinity-Large-Thinking, a 400B-parameter open model designed to compete with Claude Opus on complex reasoning tasks.

Arcee AI allocated approximately 50% of its venture capital funding to develop Trinity-Large-Thinking

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