LongCat-2.5
Meituan, the Chinese services company, released LongCat-2.5, a free-to-download AI assistant that can read images and handle long coding and computer tasks.
Key facts
- Released
- Nov 9, 2026
- What it does
- Text and chat: Writes, answers questions and holds a conversation.
Can I use it?
In an app
No app mentioned so far.
For developers
No developer access mentioned so far.
Download
Free to download and run on your own computer: it has Open weights: The model's files are public, so anyone can download it, run it on their own computer and build on it, usually for free. trckr labels these "Open"..
How it scores
Not in the independent rankings yet. New models usually show up within a few weeks, and this page updates when they do.
Compare LongCat-2.5 with
It came out 133 days after LongCat-2.0, the lab's previous model.
The details
Meituan's LongCat-2.5 is a free-to-download model that reads images and targets long Agent: An AI that doesn't just answer but takes steps on its own to finish a task: searching the web, running code or using apps. coding, full-project builds and 3D tasks, posted here as a 4-bit compressed W4A4 copy. The Model card: The page a lab publishes with a model: what it's for, how it was tested and where it falls short. lists about 495B size for this copy, while the description cites 1,600 billion parameters: Data-centre scale: it runs on many chips (GPUs) at once. Parameters are the numbers a model learns: a rough measure of its size. for the full model.
Model ID: The exact name developers type to use a model, like gpt-5-mini. New IDs often show up in a lab's systems before the official announcement, which is how trckr spots many releases early.
meituan-longcat/LongCat-2.5-W4A4meituan-longcat/LongCat-2.5Timeline
/Hugging FaceOfficialFirst signal
/Hugging FaceOfficial
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