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Favicon for arcee-ai

Arcee AI: Trinity Large Thinking

arcee-ai/trinity-large-thinking

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Trinity Large Thinking is a powerful open source reasoning model from the team at Arcee AI. It shows strong performance in PinchBench, agentic workloads, and reasoning tasks. Launch video: https://youtu.be/Gc82AXLa0Rg?si=4RLn6WBz33qT--B7Opens in new tab

This model is optimized for agentic workflows and performs best when reasoning is preserved (aka interleaved thinking). Learn how to preserve reasoning in our docs: https://openrouter.ai/docs/guides/best-practices/reasoning-tokens#preserving-reasoningOpens in new tab

Modalities
In / Out Price
$0.25 / $0.80per 1M
Context
262K
Released
Apr 1, 2026
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