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LongCat-2.5 vs Nemotron 3 Nano (30B A3B)

LongCat-2.5 leads the LLM Stats Score 50.0 to 20.4. Nemotron 3 Nano (30B A3B) is 6.0x cheaper per token.

Meituan · NVIDIA · Updated for 2026

Which is better?

LongCat-2.5 leads the overall LLM Stats Score 50.0 to 20.4, ranking #20 overall.

On price, Nemotron 3 Nano (30B A3B) is roughly 6.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

LongCat-2.5 also accepts a larger context window (1,048,576 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-2.5

  • overall performance matters — it scores 50.0 and ranks #20 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Nov 2026

Choose Nemotron 3 Nano (30B A3B)

  • cost matters — it's about 6.0x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

LongCat-2.5
Meituan
Nemotron 3 Nano (30B A3B)
NVIDIA
Core performance indexes
LLM Stats Score
50.0
#20
20.4
#229
Reasoning
48.3
#21
19.1
#235
Coding
38.6
#27
1.0
#270
Agents
36.3
#23
-7.3
#222
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.30 / M
$0.05 / M
Output price
$1.20 / M
$0.20 / M
Context window
1,048,576
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
LongCat-2.5
Nemotron 3 Nano (30B A3B)
Math
37.2#37
21.8#158
Tool use
30.2#15
-2.7#221
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

23 reported for LongCat-2.5 · 15 for Nemotron 3 Nano (30B A3B)

No common benchmarks found

LongCat-2.5 and Nemotron 3 Nano (30B A3B)don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Nemotron 3 Nano (30B A3B) costs less

For input processing, LongCat-2.5 ($0.30/1M tokens) is 6.0x more expensive than Nemotron 3 Nano (30B A3B) ($0.05/1M tokens).

For output processing, LongCat-2.5 ($1.20/1M tokens) is 6.0x more expensive than Nemotron 3 Nano (30B A3B) ($0.20/1M tokens).

In conclusion, LongCat-2.5 is more expensive than Nemotron 3 Nano (30B A3B).*

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

Lowest available price from all providers
Fri Nov 06 2026 • llm-stats.com
Meituan
LongCat-2.5
Input tokens$0.30
Output tokens$1.20
Best providerMeituan
NVIDIA
Nemotron 3 Nano (30B A3B)
Input tokens$0.05
Output tokens$0.20
Best providerDeepinfra
Notice missing or incorrect data?

Model Size

Parameter count comparison

1568.0B diff

LongCat-2.5 has 1568.0B more parameters than Nemotron 3 Nano (30B A3B), making it 4900.0% larger.

Meituan
LongCat-2.5
1.6Tparameters
NVIDIA
Nemotron 3 Nano (30B A3B)
32.0Bparameters
1600.0B
LongCat-2.5
32.0B
Nemotron 3 Nano (30B A3B)

Context Window

Maximum input and output token capacity

LongCat-2.5 accepts 1,048,576 input tokens compared to Nemotron 3 Nano (30B A3B)'s 262,144 tokens. Nemotron 3 Nano (30B A3B) can generate longer responses up to 262,144 tokens, while LongCat-2.5 is limited to 131,072 tokens.

Meituan
LongCat-2.5
Input1,048,576 tokens
Output131,072 tokens
NVIDIA
Nemotron 3 Nano (30B A3B)
Input262,144 tokens
Output262,144 tokens
Fri Nov 06 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

LongCat-2.5 supports multimodal inputs, whereas Nemotron 3 Nano (30B A3B) does not.

LongCat-2.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

LongCat-2.5

Text
Images
Audio
Video

Nemotron 3 Nano (30B A3B)

Text
Images
Audio
Video

Release Timeline

When each model was launched

LongCat-2.5 was released on 2026-11-01, while Nemotron 3 Nano (30B A3B) was released on 2025-12-15.

LongCat-2.5 is 11 months newer than Nemotron 3 Nano (30B A3B).

LongCat-2.5

Nov 1, 2026

4 days ago

10mo newer
Nemotron 3 Nano (30B A3B)

Dec 15, 2025

10 months ago

Knowledge Cutoff

When training data ends

Nemotron 3 Nano (30B A3B) has a documented knowledge cutoff of 2025-11-28, while LongCat-2.5's cutoff date is not specified.

We can confirm Nemotron 3 Nano (30B A3B)'s training data extends to 2025-11-28, but cannot make a direct comparison without LongCat-2.5's cutoff date.

LongCat-2.5

—

Nemotron 3 Nano (30B A3B)

Nov 2025

Provider Availability

LongCat-2.5 is available from Meituan. Nemotron 3 Nano (30B A3B) is available from DeepInfra.

LongCat-2.5

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

Nemotron 3 Nano (30B A3B)

deepinfra logo
Deepinfra
Input Price:Input: $0.05/1MOutput Price:Output: $0.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against LongCat-2.5 and Nemotron 3 Nano (30B A3B) side-by-side, then vote on the output you prefer.

LongCat-2.5
✓ Preferred
Nemotron 3 Nano (30B A3B)
Open in Playground

FAQ

Common questions about LongCat-2.5 vs Nemotron 3 Nano (30B A3B).

Which is better, LongCat-2.5 or Nemotron 3 Nano (30B A3B)?

LongCat-2.5 leads the LLM Stats Score 50.0 to 20.4. LongCat-2.5 is made by Meituan and Nemotron 3 Nano (30B A3B) 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-2.5 compare to Nemotron 3 Nano (30B A3B) in benchmarks?

LongCat-2.5 scores MathVision: 96.5%, BrowseComp: 91.9%, CharXiv-R: 90.2%, Terminal-Bench 2.1: 88.4%, Video-MME: 85.2%. Nemotron 3 Nano (30B A3B) scores AIME 2025: 99.2%, WMT24++: 86.2%, MMLU-Pro: 78.3%, GPQA: 75.0%, LiveCodeBench v6: 68.3%.

Is LongCat-2.5 cheaper than Nemotron 3 Nano (30B A3B)?

Nemotron 3 Nano (30B A3B) is 6.0x cheaper for input tokens. LongCat-2.5 costs $0.30/M input and $1.20/M output via meituan. Nemotron 3 Nano (30B A3B) costs $0.05/M input and $0.20/M output via deepinfra.

What are the context window sizes for LongCat-2.5 and Nemotron 3 Nano (30B A3B)?

LongCat-2.5 supports 1.0M tokens and Nemotron 3 Nano (30B A3B) 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-2.5 and Nemotron 3 Nano (30B A3B)?

Key differences include LLM Stats Score (50.0 vs 20.4), context window (1.0M vs 262K), input pricing ($0.30 vs $0.05/M), multimodal support (yes vs no), licensing (Unknown vs NVIDIA Open Model License Agreement ). See the full comparison above for benchmark-by-benchmark results.

Who makes LongCat-2.5 and Nemotron 3 Nano (30B A3B)?

LongCat-2.5 is developed by Meituan and Nemotron 3 Nano (30B A3B) is developed by NVIDIA.

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