Meituan model product
LongCat Flash Lite
5B activated per token.
Updated Aug 12, 2026. Default version: LongCat-Flash-Lite
LLMBoard score33.0LongCat-Flash-Lite
Coverage80%13 benchmark families
Context window256KTokens
Official input priceN/AOfficial price unavailable
LongCat Flash Lite Specifications
Technical details for the model's default version.
- Version
- LongCat-Flash-Lite
- Released
- Feb 5, 2026
- Knowledge cutoff
- Unknown
- Parameters
- 68.5B
- Context window
- 256K
- Max output
- 128K
- Inputs
- text
- Outputs
- text
- Open weights
- No
- License
- MIT
LongCat Flash Lite Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
LongCat Flash Lite Benchmark Results
Benchmark scores for LongCat-Flash-Lite.
| CMMLU | 0.8 | 4 | 6 | 40.0% | C | |
| MATH-500 | 1.0 | 10 | 32 | 71.0% | C | |
| Tau2 Airline | 0.6 | 14 | 23 | 40.9% | C | |
| Tau2 Retail | 0.7 | 15 | 26 | 44.0% | C | |
| Terminal-Bench | 0.3 | 15 | 25 | 41.7% | C | |
| Tau2 Telecom | 0.7 | 25 | 35 | 29.4% | C | |
| SWE-bench Multilingual | 0.4 | 33 | 34 | 3.0% | C | |
| AIME 2024 | 0.7 | 38 | 53 | 28.9% | C | |
| MMLU | 0.9 | 38 | 100 | 62.6% | C | |
| MMLU-Pro | 0.8 | 59 | 129 | 54.7% | C | |
| SWE-Bench Verified | 0.5 | 86 | 105 | 18.3% | C | |
| AIME 2025 | 0.6 | 94 | 114 | 17.7% | C | |
| GPQA | 0.7 | 140 | 234 | 40.3% | C |
LongCat Flash Lite Arena Results
Preference and agent-evaluation results for the default version.
No Arena results
The default version does not have a matching Arena result yet.
LongCat Flash Lite Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- N/A
- Official provider
- N/A
- Lowest third-party
- N/A
- Tracked offerings
- 0
No provider prices
The default version has no current input or output token prices.
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
LongCat Flash Lite Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
| LongCat-Flash-Lite | 33.0 | 68.5B | 256K | 128K | No | MIT |
What is LongCat Flash Lite?
Key information about LongCat Flash Lite and its available data.
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.
Data as of 2026-08-11.
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Open a comparison with the three ranked models immediately above and below this model.
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FAQ
Common questions about LongCat Flash Lite.
When was LongCat Flash Lite released?
LongCat Flash Lite's default version was released on Feb 5, 2026.
How much does LongCat Flash Lite cost?
No official standard PAYG price is currently available for LongCat Flash Lite.
Who created LongCat Flash Lite?
LongCat Flash Lite was created by Meituan.
What is the context window for LongCat Flash Lite?
The default version has a 256K token context window.
Is LongCat Flash Lite open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer LongCat Flash Lite?
No provider offering is currently linked to the default version.
What models should I compare LongCat Flash Lite with?
Nearby ranked alternatives include o1 pro, DiffusionGemma 26B A4B, Mistral Small 4.