LongCat-2.5-Preview
LongCat-2.5-Preview is an open-weights language model from Meituan, released September 25, 2026. It has 1.8T parameters (dense). The context window is 1M tokens. API price: $0.3 input / $1.2 output per million tokens.
Check it against your own PC →
Lab
Meituan
Released
September 25, 2026
Weights
Open mit
Parameters
1.8T dense
Context
1M
Price / M tokens
$0.3 / $1.2 in / out
Epoch ECI
not yet rated
Can you run LongCat-2.5-Preview locally?
Even with 32 GB of VRAM and 32 GB of RAM it is too large to run at a usable speed on a single consumer GPU. Estimates assume 32 GB of DDR5 RAM, a 16K context and llama.cpp-style GGUF quantization. Enter your exact hardware in the live app.
| GPU memory | Verdict | Best quant | VRAM | RAM | tok/s |
|---|---|---|---|---|---|
| 6 GB VRAM | Too large | – | – | – | – |
| 8 GB VRAM | Too large | – | – | – | – |
| 12 GB VRAM | Too large | – | – | – | – |
| 16 GB VRAM | Too large | – | – | – | – |
| 24 GB VRAM | Too large | – | – | – | – |
| 32 GB VRAM | Too large | – | – | – | – |
Benchmark results
Epoch AI has not published results for LongCat-2.5-Preview yet. New models are usually evaluated within days to weeks.
Links
Hugging Face: meituan-longcat/LongCat-2.5