Model Comparison

Gemma 2 27B vs Gemma 2 9BWhich is better in 2026?

Gemma 2 27B significantly outperforms across most benchmarks.

Verdict: Gemma 2 27B vs Gemma 2 9B — which is better?

Gemma 2 27B (by Google) 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.

Gemma 2 27B outperforms in 16 benchmarks (AGIEval, ARC-C, ARC-E, BIG-Bench, BoolQ, GSM8k, HellaSwag, HumanEval, MATH, MBPP, MMLU, Natural Questions, PIQA, Social IQa, TriviaQA, Winogrande), while Gemma 2 9B is better at 0 benchmarks. Gemma 2 27B significantly outperforms across most benchmarks.

Choose Gemma 2 27B if…

  • you want the strongest raw capability — it leads on 16 of 16 shared benchmarks

Choose Gemma 2 9B if…

  • you are already invested in the Google ecosystem

Performance Benchmarks

Comparative analysis across standard metrics

16 benchmarks

Gemma 2 27B outperforms in 16 benchmarks (AGIEval, ARC-C, ARC-E, BIG-Bench, BoolQ, GSM8k, HellaSwag, HumanEval, MATH, MBPP, MMLU, Natural Questions, PIQA, Social IQa, TriviaQA, Winogrande), while Gemma 2 9B is better at 0 benchmarks.

Gemma 2 27B significantly outperforms across most benchmarks.

Tue Aug 04 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

18.0B diff

Gemma 2 27B has 18.0B more parameters than Gemma 2 9B, making it 194.4% larger.

Google
Gemma 2 27B
27.2Bparameters
Google
Gemma 2 9B
9.2Bparameters
27.2B
Gemma 2 27B
9.2B
Gemma 2 9B

License

Usage and distribution terms

Both models are licensed under Gemma.

Both models share the same licensing terms, providing consistent usage rights.

Gemma 2 27B

Gemma

Open weights

Gemma 2 9B

Gemma

Open weights

Release Timeline

When each model was launched

Both models were released on 2024-06-27.

They likely represent similar generations of model development.

Gemma 2 27B

Jun 27, 2024

2.1 years ago

Gemma 2 9B

Jun 27, 2024

2.1 years ago

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→

Key Takeaways

Google
Higher AGIEval score (55.1% vs 52.8%)
Higher ARC-C score (71.4% vs 68.4%)
Higher ARC-E score (88.6% vs 88.0%)
Higher BIG-Bench score (74.9% vs 68.2%)
Higher BoolQ score (84.8% vs 84.2%)
Higher GSM8k score (74.0% vs 68.6%)
Higher HellaSwag score (86.4% vs 81.9%)
Higher HumanEval score (51.8% vs 40.2%)
Higher MATH score (42.3% vs 36.6%)
Higher MBPP score (62.6% vs 52.4%)
Higher MMLU score (75.2% vs 71.3%)
Higher Natural Questions score (34.5% vs 29.2%)
Higher PIQA score (83.2% vs 81.7%)
Higher Social IQa score (53.7% vs 53.4%)
Higher TriviaQA score (83.7% vs 76.6%)
Higher Winogrande score (83.7% vs 80.6%)
Google

No standout differentiators in the data we have for this pair.

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemma 2 27B and Gemma 2 9B side-by-side, then vote on the output you prefer.

Gemma 2 27B
✓ Preferred
Gemma 2 9B
Open in Playground
AI Model Comparison Table
Feature
Google
Gemma 2 27B
Google
Gemma 2 9B

FAQ

Common questions about Gemma 2 27B vs Gemma 2 9B.

Which is better, Gemma 2 27B or Gemma 2 9B?

Gemma 2 27B significantly outperforms across most benchmarks. Gemma 2 27B is made by Google 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 Gemma 2 27B compare to Gemma 2 9B in benchmarks?

Gemma 2 27B scores ARC-E: 88.6%, HellaSwag: 86.4%, BoolQ: 84.8%, TriviaQA: 83.7%, Winogrande: 83.7%. Gemma 2 9B scores ARC-E: 88.0%, BoolQ: 84.2%, HellaSwag: 81.9%, PIQA: 81.7%, Winogrande: 80.6%.

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