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--B7...
Arcee AI: Trinity Large Thinking — Arcee AI. Context window 262,144 tokens. API pricing (per 1M tokens): Input $0.25, Output $0.8. License: Proprietary. LMArena 1,340.
| Provider | Arcee AI |
|---|---|
| API model ID | arcee-ai/trinity-large-thinking |
| Tier | Frontier |
| Context window | 262,144 tokens |
| Max output | 80,000 tokens |
| License | Proprietary |
| API pricing (per 1M tokens) · Input | $0.25 |
| API pricing (per 1M tokens) · Output | $0.8 |
| LMArena | 1,340 (trinity-large-thinking) |
LMArena (CC-BY 4.0, best reasoning setting, 2026-10-02) · GPQA Diamond: Epoch AI (CC-BY 4.0)
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