// AI news · 2026-11-02 · IT之家
Meituan LongCat Releases LongCat-2.5 Multimodal Model
Meituan LongCat launches LongCat-2.5, a multimodal model with 1.6 trillion parameters, designed for long-range agent tasks.
Published 2026-11-02 09:18 (Beijing time)Source IT之家Auto-summarised, fact-checked against source
01Summary
It enhances native visual understanding and agent programming via extended trajectory data and large-scale reinforcement learning. Visual inputs are encoded as hierarchical discrete tokens, enabling unified processing with text. Real agent failure trajectories are converted into reproducible training tasks to address performance gaps.
Summarised from the original article by an open-source model, then checked automatically: every number and English name must appear in the source. The original article is authoritative.
02Key points
- LongCat-2.5 has 1.6 trillion parameters with ~480B activated per token.
- Enhanced visual understanding and agent programming via long-range RL and trajectory data.
- Visual inputs encoded as hierarchical discrete tokens for unified processing.
- Failure trajectories from real agents used to generate reproducible training tasks.
03Source
美团龙猫发布 LongCat-2.5 原生多模态 AI 模型:1.6T 参数,面向长程智能体任务
IT之家 · published 2026-11-02 09:18 Beijing time
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