arcee-ai/trinity-large-thinkingTrinity Large Thinking is Arcee AI’s AI model, released Apr 1, 2026. It costs $0.25/M input and $0.80/M output tokens, and handles a 262K-token context window.
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.
Scores on standardized evaluations. Higher is better — and rank shows where Trinity Large Thinking lands among all models tracked on Model Beat.
Graduate-level scientific reasoning
Frontier of human expert knowledge
Scientific research coding
Human-rated web development
Tool-agent-user reliability
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.
Trinity Large Thinking is an AI model developed by Arcee AI, released Apr 1, 2026.
Trinity Large Thinking is served from $0.25 per million input tokens and $0.80 per million output tokens (cheapest credible provider on OpenRouter: Arcee AI).
Trinity Large Thinking supports a context window of up to 262K tokens.
On standardized evaluations tracked by Epoch AI, Trinity Large Thinking scores 90.1% on τ²-bench, 40.6% on SciCode, 15.8% on Humanity's Last Exam.
Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Oct 29, 2026.