美团开源 LongCat-Flash-Thinking-2601

Core Insights - Meituan has announced the open-source release of LongCat-Flash-Thinking-2601, an upgraded version of its LongCat-Flash-Thinking model [1] - The new model achieves state-of-the-art (SOTA) performance on key evaluation benchmarks such as Agentic Search, Agentic Tool Use, and Tool Interaction Reasoning (TIR) [1] - LongCat-Flash-Thinking-2601 demonstrates significant advantages in the generalization capability of tool usage, outperforming Claude-Opus-4.5-Thinking in complex tasks that rely on tool invocation [1] - The model is designed to reduce the training costs associated with adapting to new tools in real-world scenarios [1] - It supports a "rethink" mode that allows for the simultaneous activation of eight "brains" to execute tasks, ensuring comprehensive thinking and reliable decision-making [1]