Arcee AI has released Trinity Large Thinking, a 400B parameter sparse MoE reasoning model under Apache 2.0 license. The model activates only 13B parameters per token while maintaining frontier-class performance on agentic tasks. Designed for long-horizon autonomous agents and multi-turn tool use. https://www.marktechpost.com/2026/04/02/arcee-ai-releases-trinity-large-thinking-an-apache-2-0-open-reasoning-model-for-long-horizon-agents-and-tool-use/ #AIagent #AI #GenAI #AgenticAI #Arcee