Reasoning Tools Open weights

Reasoning-optimized 398B MoE agent model with extended thinking for long-horizon and multi-turn tool use

arcee-ai/trinity-large-thinking 2026-04-01 524.288K context $0.25/M input $0.9/M output
5 providers
Reasoning Tools Open weights

Reasoning-tuned 26B MoE model with 3B active parameters for agents, tools, and multi-step workloads

arcee-ai/trinity-mini 2025-12-01 131.072K context $0.045/M input $0.15/M output
2 providers