LongCat Flash Lite
LongCatOpen WeightMIT · Commercial OK
描述
LongCat-Flash-Lite is a lightweight MoE model from Meituan with 68.5B total parameters and only 2.9B-4.5B activated per token. It explores N-gram embedding expansion as a new scaling direction, supporting 256K context length via YaRN. Optimized for agent tooling and programming tasks, achieving 500-700 tokens per second inference speed while maintaining strong performance on coding, math, and agentic benchmarks.
发布日期
2026-01-28
参数规模
68.5B
上下文长度
—
支持模态
text
能力雷达图
20
general
18
coding
64
reasoning
40
science估算
70
agents
0
multimodal
Science 在缺少专门科学评测时使用推理能力代理估算。
排行榜排名
基准测试分数 (LLM Stats)
Agents
Terminal-Bench
33.8%自报
Biology
GPQA
66.8%自报
Code
SWE-Bench Verified
54.4%自报
SWE-bench Multilingual
38.1%自报
Communication
Tau2 Retail
73.1%自报
Tau2 Telecom
72.8%自报
Tau2 Airline
58.0%自报
Finance
MMLU
85.5%自报
MMLU-Pro
78.3%自报
General
CMMLU
82.5%自报
Math
MATH-500
96.8%自报
AIME 2024
72.2%自报
AIME 2025
63.2%自报
AA 评测指数
Intelligence Index23.9
Coding Index16.5
Tau20.8
Gpqa0.6
Ifbench0.4
Scicode0.3
Lcr0.3
Terminalbench Hard0.1
Hle0.1
LLM Stats 分类评分
Finance80
General80
Healthcare80
Language80
Legal80
Math80
Tool Calling70
Biology70
Chemistry70
Communication70
Physics70
Reasoning70
Frontend Development50
Code40
Agents30
定价
输入价格免费
输出价格免费
混合价格(3:1)免费
速度
Tokens/秒149.1 tokens/s
首Token延迟7.15s
首回答延迟7.15s
可用提供商
(LS 内部计价单位)| 提供商 | 输入价格 | 输出价格 |
|---|---|---|
| Meituan | 100K | 400K |