Model Comparison

Gemma 2 27B vs Grok-2

Grok-2 significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

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

Grok-2 significantly outperforms across most benchmarks.

Mon Apr 06 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
Mon Apr 06 2026 • llm-stats.com
Google
Gemma 2 27B
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
xAI
Grok-2
Input tokens$2.00
Output tokens$10.00
Best providerxAI
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Context Window

Maximum input and output token capacity

Only Grok-2 specifies input context (128,000 tokens). Only Grok-2 specifies output context (8,000 tokens).

Google
Gemma 2 27B
Input- tokens
Output- tokens
xAI
Grok-2
Input128,000 tokens
Output8,000 tokens
Mon Apr 06 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok-2 supports multimodal inputs, whereas Gemma 2 27B does not.

Grok-2 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemma 2 27B

Text
Images
Audio
Video

Grok-2

Text
Images
Audio
Video

License

Usage and distribution terms

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

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 2 27B was released on 2024-06-27, while Grok-2 was released on 2024-08-13.

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

Gemma 2 27B

Jun 27, 2024

1.8 years ago

Grok-2

Aug 13, 2024

1.6 years ago

1mo newer

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

Google
Has open weights
xAI
Larger context window (128,000 tokens)
Supports multimodal inputs
Higher HumanEval score (88.4% vs 51.8%)
Higher MATH score (76.1% vs 42.3%)
Higher MMLU score (87.5% vs 75.2%)

Detailed Comparison

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

FAQ

Common questions about Gemma 2 27B vs Grok-2

Grok-2 significantly outperforms across most benchmarks. Gemma 2 27B is made by Google and Grok-2 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-2 scores DocVQA: 93.6%, HumanEval: 88.4%, MMLU: 87.5%, MATH: 76.1%, MMLU-Pro: 75.5%.
Gemma 2 27B supports an unknown number of tokens and Grok-2 supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include multimodal support (no vs yes), licensing (Gemma vs Proprietary). See the full comparison above for benchmark-by-benchmark results.
Gemma 2 27B is developed by Google and Grok-2 is developed by xAI.