Model Comparison
LongCat-Flash-Lite vs Nemotron 3 Super (120B A12B)Which is better in 2026?
LongCat-Flash-Lite has a slight edge in benchmark performance. LongCat-Flash-Lite is 1.1x cheaper per token.
Verdict: LongCat-Flash-Lite vs Nemotron 3 Super (120B A12B) — which is better?
LongCat-Flash-Lite (by Meituan) and Nemotron 3 Super (120B A12B) (by NVIDIA) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
LongCat-Flash-Lite outperforms in 5 benchmarks (SWE-Bench Verified, Tau2 Airline, Tau2 Retail, Tau2 Telecom, Terminal-Bench), while Nemotron 3 Super (120B A12B) is better at 4 benchmarks (AIME 2025, GPQA, MMLU-Pro, SWE-bench Multilingual). LongCat-Flash-Lite has a slight edge in benchmark performance.
On price, LongCat-Flash-Lite is roughly 1.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Nemotron 3 Super (120B A12B) also accepts a larger context window (262,144 input tokens), making it the stronger choice for long documents and large codebases.
Choose LongCat-Flash-Lite if…
- you want the strongest raw capability — it leads on 5 of 9 shared benchmarks
- cost matters — it's about 1.1x cheaper per token
Choose Nemotron 3 Super (120B A12B) if…
- you process long inputs — it offers a 262,144 token context window
- you want the most recent training data — it shipped Mar 2026
Performance Benchmarks
Comparative analysis across standard metrics
LongCat-Flash-Lite outperforms in 5 benchmarks (SWE-Bench Verified, Tau2 Airline, Tau2 Retail, Tau2 Telecom, Terminal-Bench), while Nemotron 3 Super (120B A12B) is better at 4 benchmarks (AIME 2025, GPQA, MMLU-Pro, SWE-bench Multilingual).
LongCat-Flash-Lite has a slight edge in benchmark performance.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, LongCat-Flash-Lite ($0.10/1M tokens) costs the same as Nemotron 3 Super (120B A12B) ($0.10/1M tokens).
For output processing, LongCat-Flash-Lite ($0.40/1M tokens) is 1.3x cheaper than Nemotron 3 Super (120B A12B) ($0.50/1M tokens).
In conclusion, Nemotron 3 Super (120B A12B) is more expensive than LongCat-Flash-Lite.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Nemotron 3 Super (120B A12B) has 51.5B more parameters than LongCat-Flash-Lite, making it 75.2% larger.
Context Window
Maximum input and output token capacity
Nemotron 3 Super (120B A12B) accepts 262,144 input tokens compared to LongCat-Flash-Lite's 256,000 tokens. Nemotron 3 Super (120B A12B) can generate longer responses up to 262,144 tokens, while LongCat-Flash-Lite is limited to 128,000 tokens.
License
Usage and distribution terms
LongCat-Flash-Lite is licensed under MIT, while Nemotron 3 Super (120B A12B) uses NVIDIA Open Model License Agreement .
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
NVIDIA Open Model License Agreement
Open weights
Release Timeline
When each model was launched
LongCat-Flash-Lite was released on 2026-02-05, while Nemotron 3 Super (120B A12B) was released on 2026-03-11.
Nemotron 3 Super (120B A12B) is 1 month newer than LongCat-Flash-Lite.
Feb 5, 2026
5 months ago
Mar 11, 2026
4 months ago
1mo newerKnowledge Cutoff
When training data ends
Nemotron 3 Super (120B A12B) has a documented knowledge cutoff of 2025-06-01, while LongCat-Flash-Lite's cutoff date is not specified.
We can confirm Nemotron 3 Super (120B A12B)'s training data extends to 2025-06-01, but cannot make a direct comparison without LongCat-Flash-Lite's cutoff date.
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Jun 2025
Provider Availability
LongCat-Flash-Lite is available from Meituan. Nemotron 3 Super (120B A12B) is available from DeepInfra.
LongCat-Flash-Lite
Nemotron 3 Super (120B A12B)
Outputs Comparison
Key Takeaways
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against LongCat-Flash-Lite and Nemotron 3 Super (120B A12B) side-by-side, then vote on the output you prefer.
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FAQ
Common questions about LongCat-Flash-Lite vs Nemotron 3 Super (120B A12B).