Model Comparison

GPT-4 Turbo vs Gemma 2 27BWhich is better in 2026?

GPT-4 Turbo significantly outperforms across most benchmarks.

Verdict: GPT-4 Turbo vs Gemma 2 27B — which is better?

GPT-4 Turbo (by OpenAI) and Gemma 2 27B (by Google) 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.

GPT-4 Turbo outperforms in 3 benchmarks (HumanEval, MATH, MMLU), while Gemma 2 27B is better at 0 benchmarks. GPT-4 Turbo significantly outperforms across most benchmarks.

Choose GPT-4 Turbo if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks

Choose Gemma 2 27B if…

  • you want the most recent training data — it shipped Jun 2024
  • you need open weights you can self-host or fine-tune
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

GPT-4 Turbo outperforms in 3 benchmarks (HumanEval, MATH, MMLU), while Gemma 2 27B is better at 0 benchmarks.

GPT-4 Turbo significantly outperforms across most benchmarks.

Wed Jun 10 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-4 Turbo specifies input context (128,000 tokens). Only GPT-4 Turbo specifies output context (4,096 tokens).

OpenAI
GPT-4 Turbo
Input128,000 tokens
Output4,096 tokens
Google
Gemma 2 27B
Input- tokens
Output- tokens
Wed Jun 10 2026 • llm-stats.com

License

Usage and distribution terms

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

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

GPT-4 Turbo

Proprietary

Closed source

Gemma 2 27B

Gemma

Open weights

Release Timeline

When each model was launched

GPT-4 Turbo was released on 2024-04-09, while Gemma 2 27B was released on 2024-06-27.

Gemma 2 27B is 3 months newer than GPT-4 Turbo.

GPT-4 Turbo

Apr 9, 2024

2.2 years ago

Gemma 2 27B

Jun 27, 2024

2.0 years ago

2mo newer

Knowledge Cutoff

When training data ends

GPT-4 Turbo has a documented knowledge cutoff of 2023-12-31, while Gemma 2 27B's cutoff date is not specified.

We can confirm GPT-4 Turbo's training data extends to 2023-12-31, but cannot make a direct comparison without Gemma 2 27B's cutoff date.

GPT-4 Turbo

Dec 2023

Gemma 2 27B

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Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (128,000 tokens)
Higher HumanEval score (87.1% vs 51.8%)
Higher MATH score (72.6% vs 42.3%)
Higher MMLU score (86.5% vs 75.2%)
Google
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4 Turbo
Google
Gemma 2 27B

FAQ

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

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

GPT-4 Turbo significantly outperforms across most benchmarks. GPT-4 Turbo is made by OpenAI and Gemma 2 27B is made by Google. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-4 Turbo compare to Gemma 2 27B in benchmarks?

GPT-4 Turbo scores MGSM: 88.5%, HumanEval: 87.1%, MMLU: 86.5%, DROP: 86.0%, MATH: 72.6%. Gemma 2 27B scores ARC-E: 88.6%, HellaSwag: 86.4%, BoolQ: 84.8%, TriviaQA: 83.7%, Winogrande: 83.7%.

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

GPT-4 Turbo supports 128K tokens and Gemma 2 27B 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 GPT-4 Turbo and Gemma 2 27B?

Key differences include licensing (Proprietary vs Gemma). See the full comparison above for benchmark-by-benchmark results.

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

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

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