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LongCat-Flash-Thinking vs Nemotron 3 Super (120B A12B)

LongCat-Flash-Thinking and Nemotron 3 Super (120B A12B) are closely matched at 28.6 and 26.8 on the LLM Stats Score. Nemotron 3 Super (120B A12B) is 3.2x cheaper per token.

Meituan · NVIDIA · Updated for 2026

Which is better?

LongCat-Flash-Thinking and Nemotron 3 Super (120B A12B) are closely matched on the overall LLM Stats Score at 28.6 and 26.8.

In the 8 individual benchmarks reported for both models, LongCat-Flash-Thinking wins 5; this is a narrower head-to-head signal than the composite indexes.

On price, Nemotron 3 Super (120B A12B) is roughly 3.2x 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.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose LongCat-Flash-Thinking

  • your work emphasizes agents — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 5 of 8 exact shared results

Choose Nemotron 3 Super (120B A12B)

  • cost matters — it's about 3.2x cheaper per token
  • you process long inputs — it offers a 262,144 token context window
  • you want the most recent training data — it shipped Mar 2026

At a glance

The differences that matter most.

LongCat-Flash-Thinking
Meituan
Nemotron 3 Super (120B A12B)
NVIDIA
Core performance indexes
LLM Stats Score
28.6
#132
26.8
#146
Reasoning
28.8
#123
25.1
#152
Coding
14.0
#134
13.3
#136
Agents
13.0
#94
-0.4
#172
Cost, coverage & limits
Benchmark wins
5 of 8
3 of 8
Input price
$0.30 / M
$0.09 / M
Output price
$1.20 / M
$0.40 / M
Context window
128,000
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
LongCat-Flash-Thinking
Nemotron 3 Super (120B A12B)
Math
28.1#95
30.4#75
Tool use
15.8#87
2.9#165
Writing
18.3#28
9.9#77
Finance
27.4#39
27.5#38
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

14 reported for LongCat-Flash-Thinking · 23 for Nemotron 3 Super (120B A12B)

8 shared

LongCat-Flash-Thinking outperforms in 5 benchmarks (AIME 2025, SWE-Bench Verified, Tau2 Airline, Tau2 Retail, Tau2 Telecom), while Nemotron 3 Super (120B A12B) is better at 3 benchmarks (GPQA, LiveCodeBench, MMLU-Pro).

LongCat-Flash-Thinking shows notably better performance in the majority of benchmarks.

Fri Sep 11 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Nemotron 3 Super (120B A12B) costs less

For input processing, LongCat-Flash-Thinking ($0.30/1M tokens) is 3.5x more expensive than Nemotron 3 Super (120B A12B) ($0.09/1M tokens).

For output processing, LongCat-Flash-Thinking ($1.20/1M tokens) is 3.0x more expensive than Nemotron 3 Super (120B A12B) ($0.40/1M tokens).

In conclusion, LongCat-Flash-Thinking is more expensive than Nemotron 3 Super (120B A12B).*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Sep 11 2026 • llm-stats.com
Meituan
LongCat-Flash-Thinking
Input tokens$0.30
Output tokens$1.20
Best providerMeituan
NVIDIA
Nemotron 3 Super (120B A12B)
Input tokens$0.09
Output tokens$0.40
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

440.0B diff

LongCat-Flash-Thinking has 440.0B more parameters than Nemotron 3 Super (120B A12B), making it 366.7% larger.

Meituan
LongCat-Flash-Thinking
560.0Bparameters
NVIDIA
Nemotron 3 Super (120B A12B)
120.0Bparameters
560.0B
LongCat-Flash-Thinking
120.0B
Nemotron 3 Super (120B A12B)

Context Window

Maximum input and output token capacity

Nemotron 3 Super (120B A12B) accepts 262,144 input tokens compared to LongCat-Flash-Thinking's 128,000 tokens. Nemotron 3 Super (120B A12B) can generate longer responses up to 262,144 tokens, while LongCat-Flash-Thinking is limited to 128,000 tokens.

Meituan
LongCat-Flash-Thinking
Input128,000 tokens
Output128,000 tokens
NVIDIA
Nemotron 3 Super (120B A12B)
Input262,144 tokens
Output262,144 tokens
Fri Sep 11 2026 • llm-stats.com

License

Usage and distribution terms

LongCat-Flash-Thinking 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.

LongCat-Flash-Thinking

MIT

Open weights

Nemotron 3 Super (120B A12B)

NVIDIA Open Model License Agreement

Open weights

Release Timeline

When each model was launched

LongCat-Flash-Thinking was released on 2025-09-22, while Nemotron 3 Super (120B A12B) was released on 2026-03-11.

Nemotron 3 Super (120B A12B) is 6 months newer than LongCat-Flash-Thinking.

LongCat-Flash-Thinking

Sep 22, 2025

11 months ago

Nemotron 3 Super (120B A12B)

Mar 11, 2026

6 months ago

5mo newer

Knowledge Cutoff

When training data ends

Nemotron 3 Super (120B A12B) has a documented knowledge cutoff of 2025-06-01, while LongCat-Flash-Thinking'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-Thinking's cutoff date.

LongCat-Flash-Thinking

—

Nemotron 3 Super (120B A12B)

Jun 2025

Provider Availability

LongCat-Flash-Thinking is available from Meituan. Nemotron 3 Super (120B A12B) is available from DeepInfra.

LongCat-Flash-Thinking

meituan logo
Meituan
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M

Nemotron 3 Super (120B A12B)

deepinfra logo
Deepinfra
Input Price:Input: $0.09/1MOutput Price:Output: $0.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against LongCat-Flash-Thinking and Nemotron 3 Super (120B A12B) side-by-side, then vote on the output you prefer.

LongCat-Flash-Thinking
✓ Preferred
Nemotron 3 Super (120B A12B)
Open in Playground

FAQ

Common questions about LongCat-Flash-Thinking vs Nemotron 3 Super (120B A12B).

Which is better, LongCat-Flash-Thinking or Nemotron 3 Super (120B A12B)?

LongCat-Flash-Thinking and Nemotron 3 Super (120B A12B) are closely matched on the LLM Stats Score at 28.6 and 26.8. LongCat-Flash-Thinking is made by Meituan and Nemotron 3 Super (120B A12B) is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does LongCat-Flash-Thinking compare to Nemotron 3 Super (120B A12B) in benchmarks?

LongCat-Flash-Thinking scores MATH-500: 99.2%, ZebraLogic: 95.5%, AIME 2024: 93.3%, AIME 2025: 90.6%, MMLU-Redux: 89.3%. Nemotron 3 Super (120B A12B) scores HMMT 2025: 94.7%, RULER: 91.8%, AIME 2025: 90.2%, WMT24++: 86.7%, MMLU-Pro: 83.7%.

Is LongCat-Flash-Thinking cheaper than Nemotron 3 Super (120B A12B)?

Nemotron 3 Super (120B A12B) is 3.5x cheaper for input tokens. LongCat-Flash-Thinking costs $0.30/M input and $1.20/M output via meituan. Nemotron 3 Super (120B A12B) costs $0.09/M input and $0.40/M output via deepinfra.

What are the context window sizes for LongCat-Flash-Thinking and Nemotron 3 Super (120B A12B)?

LongCat-Flash-Thinking supports 128K tokens and Nemotron 3 Super (120B A12B) supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between LongCat-Flash-Thinking and Nemotron 3 Super (120B A12B)?

Key differences include LLM Stats Score (28.6 vs 26.8), context window (128K vs 262K), input pricing ($0.30 vs $0.09/M), licensing (MIT vs NVIDIA Open Model License Agreement ). See the full comparison above for benchmark-by-benchmark results.

Who makes LongCat-Flash-Thinking and Nemotron 3 Super (120B A12B)?

LongCat-Flash-Thinking is developed by Meituan and Nemotron 3 Super (120B A12B) is developed by NVIDIA.

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