Model Comparison

Gemma 2 27B vs Grok-4Which is better in 2026?

Comparing Gemma 2 27B and Grok-4 across benchmarks, pricing, and capabilities.

Verdict: Gemma 2 27B vs Grok-4 — which is better?

Gemma 2 27B (by Google) and Grok-4 (by xAI) 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.

Choose Gemma 2 27B if…

  • you need open weights you can self-host or fine-tune

Choose Grok-4 if…

  • you want the most recent training data — it shipped Jul 2025

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Gemma 2 27B and Grok-4don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Grok-4 specifies input context (256,000 tokens). Only Grok-4 specifies output context (8,000 tokens).

Google
Gemma 2 27B
Input- tokens
Output- tokens
xAI
Grok-4
Input256,000 tokens
Output8,000 tokens
Sat Jun 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok-4 supports multimodal inputs, whereas Gemma 2 27B does not.

Grok-4 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-4

Text
Images
Audio
Video

License

Usage and distribution terms

Gemma 2 27B is licensed under Gemma, while Grok-4 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-4

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 2 27B was released on 2024-06-27, while Grok-4 was released on 2025-07-09.

Grok-4 is 13 months newer than Gemma 2 27B.

Gemma 2 27B

Jun 27, 2024

2.0 years ago

Grok-4

Jul 9, 2025

11 months ago

1.0yr newer

Knowledge Cutoff

When training data ends

Grok-4 has a documented knowledge cutoff of 2024-12-31, while Gemma 2 27B's cutoff date is not specified.

We can confirm Grok-4's training data extends to 2024-12-31, but cannot make a direct comparison without Gemma 2 27B's cutoff date.

Gemma 2 27B

—

Grok-4

Dec 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Has open weights
xAI
Larger context window (256,000 tokens)
Supports multimodal inputs
GoogleGemma 2 27B
xAIGrok-4
Compare in Playground

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemma 2 27B and Grok-4 side-by-side, then vote on the output you prefer.

Gemma 2 27B
✓ Preferred
Grok-4
Open in Playground
AI Model Comparison Table
Feature
Google
Gemma 2 27B
xAI
Grok-4

FAQ

Common questions about Gemma 2 27B vs Grok-4.

Which is better, Gemma 2 27B or Grok-4?

Gemma 2 27B (Google) and Grok-4 (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Gemma 2 27B compare to Grok-4 in benchmarks?

Gemma 2 27B scores ARC-E: 88.6%, HellaSwag: 86.4%, BoolQ: 84.8%, TriviaQA: 83.7%, Winogrande: 83.7%. Grok-4 scores AIME 2025: 91.7%, HMMT25: 90.0%, GPQA: 87.5%, LiveCodeBench: 79.0%, Humanity's Last Exam: 40.0%.

What are the context window sizes for Gemma 2 27B and Grok-4?

Gemma 2 27B supports an unknown number of tokens and Grok-4 supports 256K 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 27B and Grok-4?

Key differences include multimodal support (no vs yes), licensing (Gemma vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemma 2 27B and Grok-4?

Gemma 2 27B is developed by Google and Grok-4 is developed by xAI.

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