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Arcee AI: Trinity Large Thinking

Reasoning Tool Calling Open Weights

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

Providers 1
Released Apr 1, 2026
Input Modalities text
Output Modalities text
Tarsk Use coding

Benchmarks

31.9
Intelligence Index
27.2
Coding Index

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Kilo Gateway arcee-ai/trinity-large-thinking $0.22/MTok $0.85/MTok 262.1K 262.1K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output