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Meituan Releases LongCat-2.5 — A 1.6-Trillion-Parameter Open-Weight Model Under the MIT License

Another trillion-parameter model just went open weight — and this one's licence is about as permissive as they come. Meituan has released LongCat-2.5, a mixture-of-experts model with roughly 1.6 trillion parameters in total and around 48 billion active on each token, under the MIT license. Anyone c…

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  1. 2026-11-11 05:25 · DEV Community — AI
    Meituan Releases LongCat-2.5 — A 1.6-Trillion-Parameter Open-Weight Model Under the MIT License

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