Model Library
LongCatReleased January 28, 2026LongCat Flash Lite
LongCat · Released January 28, 2026
Intelligence score
17
At a glance
- Intelligence
- 17
- Speed
- —
- Latency
- —
- Input price
- Not published
- Output price
- Not published
- Context window
- 260Ktokens
- Parameters
- 68.5billions
Summary
Comparison summary
LongCat Flash Lite scores 17 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other open weight non-reasoning models of similar size (median: 7).
Specifications
Technical specifications
| Model name | LongCat Flash Lite |
|---|---|
| Provider | LongCat |
| Release date | January 28, 2026 |
| Intelligence score | 17 |
| Speed | — |
| Latency (TTFT) | — |
| Input price | Not published |
| Output price | Not published |
| Context window | 260,000 tokens |
| Parameters | 68.5B |
| Reasoning | No |
| Input modalities | text |
| Output modalities | — |
| Open weights | Yes |
| License | MIT |
| API availability | — |
| Source | Model Intelligence legacy profile: longcat-flash-lite |
FAQ · 16
Frequently asked questions
LongCat Flash Lite was released on January 28, 2026.
LongCat Flash Lite was created by LongCat.
LongCat Flash Lite scores 17 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other open weight non-reasoning models of similar size (median: 7).
No, LongCat Flash Lite is not a reasoning model. It provides direct responses without extended chain-of-thought reasoning.
LongCat Flash Lite supports text input.
LongCat Flash Lite supports text output.
No, LongCat Flash Lite does not support image input. It can only process text.
No, LongCat Flash Lite is not multimodal. It only supports text input.
LongCat Flash Lite has a context window of 260k tokens. This determines how much text and conversation history the model can process in a single request.
Yes, LongCat Flash Lite is open weights. The model weights are publicly available and can be downloaded for self-hosting.
LongCat Flash Lite has 68.5 billion parameters (3 billion active).
LongCat Flash Lite is a Mixture of Experts (MoE) model with 68.5 billion total parameters, but only 3 billion active parameters are used during inference.
LongCat Flash Lite is released under the MIT license. This license allows commercial use.
LongCat Flash Lite achieves a score of 17 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.
LongCat Flash Lite is an open weights model that can be self-hosted.
LongCat Flash Lite is an open weights model that can be downloaded and self-hosted.