Arcee AI has released Trinity-Large-Thinking, a 399-billion parameter open-weight reasoning model under Apache 2.0. The model nearly matches Claude Opus 4.6 on agent benchmarks while running 96% cheaper. https://venturebeat.com/technology/arcees-new-open-source-trinity-large-thinking-is-the-rare-powerful-u-s-made #AIagent #AI #GenAI #AIResearch #Arcee