LongCat-2.0-INT8

Model overview
LongCat-2.0-INT8
The first-party INT8 open-weight LongCat-2.0 checkpoint for local coding, reasoning, and agent deployment.
general LLMreasoningcodinglong contextagentchatcode generationsoftware engineering agentlocal inferenceevaluation
Representative version
LongCat-2.0-INT8
| Company | Meituan |
|---|---|
| Release | 2026-07-03 |
| Release type | Model checkpoint release |
| Parameters | 1,600B / 48B active |
| Architecture | Mixture-of-experts transformer with LongCat Sparse Attention and INT8 quantization |
| Context | 1,000,000 |
| Input modalities | text |
| Output modalities | text / code / tool_call |
| Tool use / function calling | Confirmed: Tool use, Function calling |
| Structured output / reasoning | Confirmed: Reasoning |
| Vision / audio / video | Vision: Not disclosed; Audio: Not disclosed; Video: Not disclosed |
| Open weights / License | Weights available / MIT License sourcemeituan-longcat-2-0-int8-current · 2026-08-04 |
| Vendor API | Not disclosed API source pending verification |
| OpenRouter | Not separately listed on OpenRouter |
| Pricing | No reliable public source |
| Benchmark | No reliable public source |
| Public signals | 1 activity snapshot |
| Use cases | Quantized local inference / coding and review / Long-context agents / research evaluation |
| Claim evidence | Release event / Model specifications / Weight checkpointLongCat-2.0-INT8 initial checkpoint commitLongCat-2.0-INT8 · 2026-07-03 · LongCat-2.0-INT8 · LongCat-2.0-INT8 · LongCat-2.0-INT8 |
OpenRouter
Pricing / context / availability
| OpenRouter | Not separately listed on OpenRouter |
|---|---|
| OpenRouter listing | Not separately listed in the current OpenRouter public list |
| Mapped version | LongCat-2.0-INT8 meituan-longcat-2-0-int8-current |
| Pricing | No reliable public source |
| Context | 1000000 |
| Speed/Latency | No reliable public source |
| Snapshot time | 2026-08-11T06:28:09.895Z |
| Source | View source |
Verified limitations
Usage boundaries
- Running a 1.6T-parameter MoE checkpoint still requires substantial accelerator memory and deployment expertise.
- No independent first-party API alias for the INT8 checkpoint is verified.
Public activity counters
Hugging Face model-card activity snapshot
| Platform | Entry | Last-month downloads | Current likes | Current Spaces | Time | Source |
|---|---|---|---|---|---|---|
| huggingface Current HF activity snapshot | meituan-longcat/LongCat-2.0-INT8 | 317 | 20 | 0 | View source |
Downloads are Hugging Face's trailing-month counter; likes and Spaces are snapshots at collection time.
Missing public information
Public information not yet available
Not listed on OpenRouterNo reliable benchmark sourceNo linkable model-specific reviewSpeed/latency not disclosed