LongCat-2.0 is an MIT-licensed Meituan model on Hugging Face and GitHub with a 1M-token context target, coding-agent focus, and public deployment notes. Treat vendor benchmark claims as self-reported, and test it on your own repositories before trusting it in production. LongCat-2.0 is worth bookmarking if you evaluate open models for coding agents, repository-scale edits, or long-context experiments. The model card and repository describe a 1.6T-parameter MoE design, roughly 48B active parameters per token, MIT-licensed weights, a 1M-token context target, and deployment notes for SGLang/vLLM-style serving. Use it as an evaluation candidate, not an automatic production pick. The benchmark table is mostly vendor-reported, the hardware requirements are serious, and real value depends on how it handles your own codebase, tests, tool-calling format, latency, and safety controls. Practical checks before using it: Confirm the exact Hugging Face variant you want: full, FP8, INT8, or a community quantization. Run a small repository task against your current baseline model. Check license, trademark, privacy, and acceptable-use constraints for your deployment. Measure context retention and patch correctness, not only benchmark scores. Avoid assuming OpenRouter/API availability unless your provider page confirms the model at run time.

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