The AI arena is free today

Open Superagent

Gemma 2 27B vs LongCat-2.5

LongCat-2.5 leads the LLM Stats Score 50.0 to -1.2.

Google · Meituan · Updated for 2026

Which is better?

LongCat-2.5 leads the overall LLM Stats Score 50.0 to -1.2, ranking #20 overall.

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

Choose Gemma 2 27B

  • you need open weights you can self-host or fine-tune

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

At a glance

The differences that matter most.

Gemma 2 27B
Google
LongCat-2.5
Meituan
Core performance indexes
LLM Stats Score
-1.2
#371
50.0
#20
Reasoning
-1.6
#367
48.3
#21
Coding
-8.0
#299
38.6
#27
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.30 / M
Output price
— / M
$1.20 / M
Context window
—
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemma 2 27B
LongCat-2.5
Math
-0.8#321
37.2#37
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Gemma 2 27B · 23 for LongCat-2.5

No common benchmarks found

Gemma 2 27B and LongCat-2.5don'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

Model Size

Parameter count comparison

1572.8B diff

LongCat-2.5 has 1572.8B more parameters than Gemma 2 27B, making it 5782.4% larger.

Google
Gemma 2 27B
27.2Bparameters
Meituan
LongCat-2.5
1.6Tparameters
27.2B
Gemma 2 27B
1600.0B
LongCat-2.5

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).

Google
Gemma 2 27B
Input- tokens
Output- tokens
Meituan
LongCat-2.5
Input1,048,576 tokens
Output131,072 tokens
Tue Nov 03 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

LongCat-2.5 supports multimodal inputs, whereas Gemma 2 27B does not.

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

Gemma 2 27B

Text
Images
Audio
Video

LongCat-2.5

Text
Images
Audio
Video

Release Timeline

When each model was launched

Gemma 2 27B was released on 2024-06-27, while LongCat-2.5 was released on 2026-11-01.

LongCat-2.5 is 29 months newer than Gemma 2 27B.

Gemma 2 27B

Jun 27, 2024

2.3 years ago

LongCat-2.5

Nov 1, 2026

0 days ago

2.3yr newer

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 Gemma 2 27B and LongCat-2.5 side-by-side, then vote on the output you prefer.

Gemma 2 27B
✓ Preferred
LongCat-2.5
Open in Playground

FAQ

Common questions about Gemma 2 27B vs LongCat-2.5.

Which is better, Gemma 2 27B or LongCat-2.5?

LongCat-2.5 leads the LLM Stats Score 50.0 to -1.2. Gemma 2 27B is made by Google and LongCat-2.5 is made by Meituan. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemma 2 27B compare to LongCat-2.5 in benchmarks?

Gemma 2 27B scores ARC-E: 88.6%, HellaSwag: 86.4%, BoolQ: 84.8%, TriviaQA: 83.7%, Winogrande: 83.7%. LongCat-2.5 scores MathVision: 96.5%, BrowseComp: 91.9%, CharXiv-R: 90.2%, Terminal-Bench 2.1: 88.4%, Video-MME: 85.2%.

What are the context window sizes for Gemma 2 27B and LongCat-2.5?

Gemma 2 27B supports an unknown number of tokens and LongCat-2.5 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemma 2 27B and LongCat-2.5?

Key differences include LLM Stats Score (-1.2 vs 50.0), multimodal support (no vs yes), licensing (Gemma vs Unknown). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemma 2 27B and LongCat-2.5?

Gemma 2 27B is developed by Google and LongCat-2.5 is developed by Meituan.

Related comparisons