Model Comparison

Gemma 2 9B vs GPT-4 TurboWhich is better in 2026?

GPT-4 Turbo significantly outperforms across most benchmarks.

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

Gemma 2 9B (by Google) and GPT-4 Turbo (by OpenAI) 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.

Gemma 2 9B outperforms in 0 benchmarks, while GPT-4 Turbo is better at 3 benchmarks (HumanEval, MATH, MMLU). GPT-4 Turbo significantly outperforms across most 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

Choose GPT-4 Turbo if…

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

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Gemma 2 9B outperforms in 0 benchmarks, while GPT-4 Turbo is better at 3 benchmarks (HumanEval, MATH, MMLU).

GPT-4 Turbo significantly outperforms across most benchmarks.

Sun Aug 02 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).

Google
Gemma 2 9B
Input- tokens
Output- tokens
OpenAI
GPT-4 Turbo
Input128,000 tokens
Output4,096 tokens
Sun Aug 02 2026 • llm-stats.com

License

Usage and distribution terms

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

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

Gemma 2 9B

Gemma

Open weights

GPT-4 Turbo

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

Gemma 2 9B

Jun 27, 2024

2.1 years ago

2mo newer
GPT-4 Turbo

Apr 9, 2024

2.3 years ago

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.

Gemma 2 9B

—

GPT-4 Turbo

Dec 2023

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Has open weights
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%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemma 2 9B and GPT-4 Turbo side-by-side, then vote on the output you prefer.

Gemma 2 9B
✓ Preferred
GPT-4 Turbo
Open in Playground
AI Model Comparison Table
Feature
Google
Gemma 2 9B
OpenAI
GPT-4 Turbo

FAQ

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

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

GPT-4 Turbo significantly outperforms across most benchmarks. Gemma 2 9B is made by Google and GPT-4 Turbo is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemma 2 9B compare to GPT-4 Turbo in benchmarks?

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

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

Gemma 2 9B supports an unknown number of tokens and GPT-4 Turbo 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 9B and GPT-4 Turbo?

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

Who makes Gemma 2 9B and GPT-4 Turbo?

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

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