LongCat 2 versions
By Meituan
| Model | Released | Type | Arch | Params (B) | Context | Open | Status |
|---|---|---|---|---|---|---|---|
| LongCat-Flash-Chat | Sep 1, 2025 | Text LLM | MoE | 560 | 131.1K | Open weights | Active |
| LongCat-Flash | Sep 20, 2025 | Text LLM | MoE | 560 | 128K | Open weights | Active |
By Meituan
| Model | Released | Type | Arch | Params (B) | Context | Open | Status |
|---|---|---|---|---|---|---|---|
| LongCat-Flash-Chat | Sep 1, 2025 | Text LLM | MoE | 560 | 131.1K | Open weights | Active |
| LongCat-Flash | Sep 20, 2025 | Text LLM | MoE | 560 | 128K | Open weights | Active |