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AI model · Arcee AI

Trinity Large Thinking

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.

The figures

Made by
Arcee AI
Model ID
arcee-ai/trinity-large-thinking
Input
$0.25 per million tokens
Output
$0.8 per million tokens
Context window
262K tokens
Longest answer
80K tokens
Takes in
text
Gives back
text
Reasoning
Yes
Tool calling
Yes
Reads images
No
Open weights
Yes
Released
1 Apr 2026

Read on 3 Oct 2026.