Model Comparison

GPT-4 Turbo vs Gemma 2 9BWhich is better in 2026?

GPT-4 Turbo significantly outperforms across most benchmarks.

Verdict: GPT-4 Turbo vs Gemma 2 9B — which is better?

GPT-4 Turbo (by OpenAI) and Gemma 2 9B (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 9B 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 9B 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 9B is better at 0 benchmarks.

GPT-4 Turbo significantly outperforms across most benchmarks.

Sat Jun 13 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 9B
Input- tokens
Output- tokens
Sat Jun 13 2026 • llm-stats.com

License

Usage and distribution terms

GPT-4 Turbo is licensed under a proprietary license, while Gemma 2 9B 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 9B

Gemma

Open weights

Release Timeline

When each model was launched

GPT-4 Turbo was released on 2024-04-09, while Gemma 2 9B was released on 2024-06-27.

Gemma 2 9B is 3 months newer than GPT-4 Turbo.

GPT-4 Turbo

Apr 9, 2024

2.2 years ago

Gemma 2 9B

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 9B'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 9B's cutoff date.

GPT-4 Turbo

Dec 2023

Gemma 2 9B

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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 40.2%)
Higher MATH score (72.6% vs 36.6%)
Higher MMLU score (86.5% vs 71.3%)
Google
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4 Turbo
Google
Gemma 2 9B

FAQ

Common questions about GPT-4 Turbo vs Gemma 2 9B.

Which is better, GPT-4 Turbo or Gemma 2 9B?

GPT-4 Turbo significantly outperforms across most benchmarks. GPT-4 Turbo is made by OpenAI and Gemma 2 9B 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 9B in benchmarks?

GPT-4 Turbo scores MGSM: 88.5%, HumanEval: 87.1%, MMLU: 86.5%, DROP: 86.0%, MATH: 72.6%. Gemma 2 9B scores ARC-E: 88.0%, BoolQ: 84.2%, HellaSwag: 81.9%, PIQA: 81.7%, Winogrande: 80.6%.

What are the context window sizes for GPT-4 Turbo and Gemma 2 9B?

GPT-4 Turbo supports 128K tokens and Gemma 2 9B 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 9B?

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 9B?

GPT-4 Turbo is developed by OpenAI and Gemma 2 9B is developed by Google.

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