LongCat-2.5-Preview LongCat-2.5-Preview is Meituan's latest Mixture-of-Experts large language model with 1.6 trillion total parameters (approximately 48 billion active), a native 1-million-token context window, and new multimodal capabilities. It is optimized for long-range agentic tasks including coding, GUI automation, browser control, terminal operations, and productivity software, with API compatibility for OpenAI and Anthropic interfaces.
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