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LongCat-2.5 vs Nova 2 Pro

LongCat-2.5 leads the LLM Stats Score 50.0 to 30.2.

Meituan · Amazon · Updated for 2026

Which is better?

LongCat-2.5 leads the overall LLM Stats Score 50.0 to 30.2, ranking #20 overall.

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 want the most recent training data — it shipped Nov 2026

Choose Nova 2 Pro

  • you are already invested in the Amazon ecosystem

At a glance

The differences that matter most.

Core performance indexes
50.0
#20
30.2
#148
48.3
#21
30.2
#146
38.6
#27
19.3
#129
36.3
#23
11.3
#142
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.30 / M
— / M
Output price
$1.20 / M
— / M
Context window
1,048,576
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
LongCat-2.5
Nova 2 Pro
37.2#37
25.9#117
32.5#29
12.3#123
30.2#15
14.4#117
34.8#15
9.5#140
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

23 reported for LongCat-2.5 · 18 for Nova 2 Pro

No common benchmarks found

LongCat-2.5 and Nova 2 Prodon'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

Context Window

Maximum input and output token capacity

Only LongCat-2.5 specifies input context (1,048,576 tokens). Only LongCat-2.5 specifies output context (131,072 tokens).

Meituan
LongCat-2.5
Input1,048,576 tokens
Output131,072 tokens
Amazon
Nova 2 Pro
Input- tokens
Output- tokens
Fri Nov 06 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both LongCat-2.5 and Nova 2 Pro support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

LongCat-2.5

Text
Images
Audio
Video

Nova 2 Pro

Text
Images
Audio
Video

Release Timeline

When each model was launched

LongCat-2.5 was released on 2026-11-01, while Nova 2 Pro was released on 2025-12-02.

LongCat-2.5 is 11 months newer than Nova 2 Pro.

LongCat-2.5

Nov 1, 2026

4 days ago

11mo newer
Nova 2 Pro

Dec 2, 2025

11 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against LongCat-2.5 and Nova 2 Pro side-by-side, then vote on the output you prefer.

LongCat-2.5
✓ Preferred
Nova 2 Pro
Open in Playground

FAQ

Common questions about LongCat-2.5 vs Nova 2 Pro.

Which is better, LongCat-2.5 or Nova 2 Pro?

LongCat-2.5 leads the LLM Stats Score 50.0 to 30.2. LongCat-2.5 is made by Meituan and Nova 2 Pro is made by Amazon. 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 Nova 2 Pro 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%. Nova 2 Pro scores Tau2 Telecom: 92.7%, AIME 2025: 92.3%, ScreenSpot: 88.1%, LongCodeBench: 84.0%, MMLU-Pro: 81.6%.

What are the context window sizes for LongCat-2.5 and Nova 2 Pro?

LongCat-2.5 supports 1.0M tokens and Nova 2 Pro supports an unknown number of 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 Nova 2 Pro?

Key differences include LLM Stats Score (50.0 vs 30.2), licensing (Unknown vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes LongCat-2.5 and Nova 2 Pro?

LongCat-2.5 is developed by Meituan and Nova 2 Pro is developed by Amazon.