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Gemma 2 9B vs Grok-4

Grok-4 leads the LLM Stats Score 33.7 to -4.9.

Google · xAI · Updated for 2026

Which is better?

Grok-4 leads the overall LLM Stats Score 33.7 to -4.9, ranking #98 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemma 2 9B

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

Choose Grok-4

  • overall performance matters — it scores 33.7 and ranks #98 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Jul 2025

At a glance

The differences that matter most.

Gemma 2 9B
Google
Grok-4
xAI
Core performance indexes
LLM Stats Score
-4.9
#354
33.7
#98
Reasoning
-5.2
#347
32.9
#101
Coding
-11.0
#265
17.3
#122
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$3.00 / M
Output price
— / M
$15.00 / M
Context window
—
256,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemma 2 9B
Grok-4
Math
-3.8#314
31.4#67
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Gemma 2 9B · 7 for Grok-4

No common benchmarks found

Gemma 2 9B and Grok-4don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

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 9B
Input- tokens
Output- tokens
xAI
Grok-4
Input256,000 tokens
Output8,000 tokens
Mon Sep 21 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok-4 supports multimodal inputs, whereas Gemma 2 9B does not.

Grok-4 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemma 2 9B

Text
Images
Audio
Video

Grok-4

Text
Images
Audio
Video

License

Usage and distribution terms

Gemma 2 9B 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 9B

Gemma

Open weights

Grok-4

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 2 9B was released on 2024-06-27, while Grok-4 was released on 2025-07-09.

Grok-4 is 13 months newer than Gemma 2 9B.

Gemma 2 9B

Jun 27, 2024

2.2 years ago

Grok-4

Jul 9, 2025

1.2 years ago

1.0yr newer

Knowledge Cutoff

When training data ends

Grok-4 has a documented knowledge cutoff of 2024-12-31, while Gemma 2 9B'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 9B's cutoff date.

Gemma 2 9B

—

Grok-4

Dec 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

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

Gemma 2 9B
✓ Preferred
Grok-4
Open in Playground

FAQ

Common questions about Gemma 2 9B vs Grok-4.

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

Grok-4 leads the LLM Stats Score 33.7 to -4.9. Gemma 2 9B is made by Google and Grok-4 is made by xAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

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

Gemma 2 9B scores ARC-E: 88.0%, BoolQ: 84.2%, HellaSwag: 81.9%, PIQA: 81.7%, Winogrande: 80.6%. 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 9B and Grok-4?

Gemma 2 9B 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 9B and Grok-4?

Key differences include LLM Stats Score (-4.9 vs 33.7), multimodal support (no vs yes), licensing (Gemma vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemma 2 9B and Grok-4?

Gemma 2 9B is developed by Google and Grok-4 is developed by xAI.

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