May 25, 2026 · Artificial Intelligence

How Meituan’s Open‑Source Avatar Redefines Digital Human Voice‑Over Costs (Beyond HeyGen)

LongCat‑Video‑Avatar‑1.5, Meituan’s open‑source audio‑driven video generation model, upgrades its encoder, stability, multi‑character support and 8‑step distillation, provides a detailed workflow, benchmark evaluation, and examines its impact on designers, operators, e‑commerce and marketing while highlighting deployment and compliance challenges.

AI VideoAudio-driven Video GenerationContent Automation

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Meituan Technology Team

May 14, 2026 · Artificial Intelligence

General 365: Meituan LongCat’s Open‑Source Benchmark Redefines LLM Reasoning Evaluation

The General 365 benchmark, built from 365 original seed questions and 1,095 variants across eight reasoning challenges, reveals that most mainstream large language models struggle with everyday logical tasks, achieving at most 62.8% accuracy and requiring far more tokens than on traditional subject‑specific tests.

AI reasoningGeneral 365LLM evaluation

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General 365: Meituan LongCat’s Open‑Source Benchmark Redefines LLM Reasoning Evaluation