Model Comparison

LongCat-Flash-Thinking vs Nemotron 3 Super (120B A12B)Which is better in 2026?

LongCat-Flash-Thinking shows notably better performance in the majority of benchmarks. Nemotron 3 Super (120B A12B) is 2.6x cheaper per token.

Verdict: LongCat-Flash-Thinking vs Nemotron 3 Super (120B A12B) — which is better?

LongCat-Flash-Thinking (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-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.

On price, Nemotron 3 Super (120B A12B) is roughly 2.6x 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-Thinking if…

  • you want the strongest raw capability — it leads on 5 of 8 shared benchmarks

Choose Nemotron 3 Super (120B A12B) if…

  • cost matters — it's about 2.6x 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

Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

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.

Mon Jul 27 2026 • llm-stats.com

Arena Performance

Human preference votes

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 3.0x more expensive than Nemotron 3 Super (120B A12B) ($0.10/1M tokens).

For output processing, LongCat-Flash-Thinking ($1.20/1M tokens) is 2.4x more expensive than Nemotron 3 Super (120B A12B) ($0.50/1M 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
Mon Jul 27 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$0.10
Output tokens$0.50
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
Mon Jul 27 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

10 months ago

Nemotron 3 Super (120B A12B)

Mar 11, 2026

4 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: $0.10/1MOutput Price:Output: $0.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Meituan
Higher AIME 2025 score (90.6% vs 90.2%)
Higher SWE-Bench Verified score (59.4% vs 53.7%)
Higher Tau2 Airline score (67.5% vs 56.3%)
Higher Tau2 Retail score (71.5% vs 62.8%)
Higher Tau2 Telecom score (83.1% vs 64.4%)
NVIDIA
Larger context window (262,144 tokens)
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (82.7% vs 81.5%)
Higher LiveCodeBench score (81.2% vs 79.4%)
Higher MMLU-Pro score (83.7% vs 82.6%)

Detailed Comparison

Interactive Arena

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
AI Model Comparison Table
Feature
Meituan
LongCat-Flash-Thinking
NVIDIA
Nemotron 3 Super (120B A12B)

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 shows notably better performance in the majority of benchmarks. 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 benchmark scores, pricing, and capabilities 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 3.0x 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 $0.10/M input and $0.50/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 context window (128K vs 262K), input pricing ($0.30 vs $0.10/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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