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Gemma 2 27B vs GPT-4o

GPT-4o leads the LLM Stats Score 14.3 to -0.6.

Google · OpenAI · Updated for 2026

Which is better?

GPT-4o leads the overall LLM Stats Score 14.3 to -0.6, ranking #226 overall.

In the 1 individual benchmarks reported for both models, GPT-4o wins 1; this is a narrower head-to-head signal than the composite indexes.

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 GPT-4o

  • overall performance matters — it scores 14.3 and ranks #226 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Aug 2024

At a glance

The differences that matter most.

Core performance indexes
-0.6
#318
14.3
#226
-1.0
#314
16.0
#207
-7.9
#254
-0.3
#235
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
— / M
$2.50 / M
Output price
— / M
$10.00 / M
Context window
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Gemma 2 27B
GPT-4o
-0.3#289
12.7#225
2.5#164
16.4#92
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Gemma 2 27B · 38 for GPT-4o

1 shared

Gemma 2 27B outperforms in 0 benchmarks, while GPT-4o is better at 1 benchmark (MMLU).

GPT-4o significantly outperforms across most benchmarks.

Tue Sep 08 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GPT-4o specifies input context (128,000 tokens). Only GPT-4o specifies output context (16,384 tokens).

Google
Gemma 2 27B
Input- tokens
Output- tokens
OpenAI
GPT-4o
Input128,000 tokens
Output16,384 tokens
Tue Sep 08 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-4o supports multimodal inputs, whereas Gemma 2 27B does not.

GPT-4o can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemma 2 27B

Text
Images
Audio
Video

GPT-4o

Text
Images
Audio
Video

License

Usage and distribution terms

Gemma 2 27B is licensed under Gemma, while GPT-4o uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Gemma 2 27B

Gemma

Open weights

GPT-4o

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 2 27B was released on 2024-06-27, while GPT-4o was released on 2024-08-06.

GPT-4o is 1 month newer than Gemma 2 27B.

Gemma 2 27B

Jun 27, 2024

2.2 years ago

GPT-4o

Aug 6, 2024

2.1 years ago

1mo 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?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemma 2 27B and GPT-4o side-by-side, then vote on the output you prefer.

Gemma 2 27B
✓ Preferred
GPT-4o
Open in Playground

FAQ

Common questions about Gemma 2 27B vs GPT-4o.

Which is better, Gemma 2 27B or GPT-4o?

GPT-4o leads the LLM Stats Score 14.3 to -0.6. Gemma 2 27B is made by Google and GPT-4o is made by OpenAI. 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 GPT-4o in benchmarks?

Gemma 2 27B scores ARC-E: 88.6%, HellaSwag: 86.4%, BoolQ: 84.8%, TriviaQA: 83.7%, Winogrande: 83.7%. GPT-4o scores AI2D: 94.2%, DocVQA: 92.8%, ChartQA: 85.7%, MMLU: 85.7%, CharXiv-D: 85.3%.

What are the context window sizes for Gemma 2 27B and GPT-4o?

Gemma 2 27B supports an unknown number of tokens and GPT-4o supports 128K 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 GPT-4o?

Key differences include LLM Stats Score (-0.6 vs 14.3), multimodal support (no vs yes), licensing (Gemma vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemma 2 27B and GPT-4o?

Gemma 2 27B is developed by Google and GPT-4o is developed by OpenAI.