Model Comparison

Gemma 2 27B vs Grok-1.5

Grok-1.5 significantly outperforms across most benchmarks.

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Gemma 2 27B outperforms in 0 benchmarks, while Grok-1.5 is better at 4 benchmarks (GSM8k, HumanEval, MATH, MMLU).

Grok-1.5 significantly outperforms across most benchmarks.

Wed Apr 08 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Wed Apr 08 2026 • llm-stats.com
Google
Gemma 2 27B
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
xAI
Grok-1.5
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
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License

Usage and distribution terms

Gemma 2 27B is licensed under Gemma, while Grok-1.5 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

Grok-1.5

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 2 27B was released on 2024-06-27, while Grok-1.5 was released on 2024-03-28.

Gemma 2 27B is 3 months newer than Grok-1.5.

Gemma 2 27B

Jun 27, 2024

1.8 years ago

3mo newer
Grok-1.5

Mar 28, 2024

2.0 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

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Key Takeaways

Has open weights
Higher GSM8k score (90.0% vs 74.0%)
Higher HumanEval score (74.1% vs 51.8%)
Higher MATH score (50.6% vs 42.3%)
Higher MMLU score (81.3% vs 75.2%)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemma 2 27B
xAI
Grok-1.5

FAQ

Common questions about Gemma 2 27B vs Grok-1.5

Grok-1.5 significantly outperforms across most benchmarks. Gemma 2 27B is made by Google and Grok-1.5 is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Gemma 2 27B scores ARC-E: 88.6%, HellaSwag: 86.4%, BoolQ: 84.8%, TriviaQA: 83.7%, Winogrande: 83.7%. Grok-1.5 scores GSM8k: 90.0%, DocVQA: 85.6%, MMLU: 81.3%, HumanEval: 74.1%, MMMU: 53.6%.
Key differences include licensing (Gemma vs Proprietary). See the full comparison above for benchmark-by-benchmark results.
Gemma 2 27B is developed by Google and Grok-1.5 is developed by xAI.