Model Comparison

Gemma 3 12B vs Grok-2

Grok-2 significantly outperforms across most benchmarks. Gemma 3 12B is 64.0x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Gemma 3 12B outperforms in 1 benchmarks (MATH), while Grok-2 is better at 4 benchmarks (DocVQA, GPQA, HumanEval, MMLU-Pro).

Grok-2 significantly outperforms across most benchmarks.

Fri Jun 05 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemma 3 12B costs less

For input processing, Gemma 3 12B ($0.05/1M tokens) is 40.0x cheaper than Grok-2 ($2.00/1M tokens).

For output processing, Gemma 3 12B ($0.10/1M tokens) is 100.0x cheaper than Grok-2 ($10.00/1M tokens).

In conclusion, Grok-2 is more expensive than Gemma 3 12B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Jun 05 2026 • llm-stats.com
Google
Gemma 3 12B
Input tokens$0.05
Output tokens$0.10
Best providerDeepinfra
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

Gemma 3 12B accepts 131,072 input tokens compared to Grok-2's 128,000 tokens. Gemma 3 12B can generate longer responses up to 131,072 tokens, while Grok-2 is limited to 8,000 tokens.

Google
Gemma 3 12B
Input131,072 tokens
Output131,072 tokens
xAI
Grok-2
Input128,000 tokens
Output8,000 tokens
Fri Jun 05 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemma 3 12B and Grok-2 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemma 3 12B

Text
Images
Audio
Video

Grok-2

Text
Images
Audio
Video

License

Usage and distribution terms

Gemma 3 12B 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 3 12B

Gemma

Open weights

Grok-2

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 3 12B was released on 2025-03-12, while Grok-2 was released on 2024-08-13.

Gemma 3 12B is 7 months newer than Grok-2.

Gemma 3 12B

Mar 12, 2025

1.2 years ago

7mo newer
Grok-2

Aug 13, 2024

1.8 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

Provider Availability

Gemma 3 12B is available from DeepInfra. Grok-2 is available from xAI.

Gemma 3 12B

deepinfra logo
Deepinfra
Input Price:Input: $0.05/1MOutput Price:Output: $0.10/1M

Grok-2

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (131,072 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights
Higher MATH score (83.8% vs 76.1%)
xAI
Higher DocVQA score (93.6% vs 87.1%)
Higher GPQA score (56.0% vs 40.9%)
Higher HumanEval score (88.4% vs 85.4%)
Higher MMLU-Pro score (75.5% vs 60.6%)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemma 3 12B
xAI
Grok-2

FAQ

Common questions about Gemma 3 12B vs Grok-2.

Which is better, Gemma 3 12B or Grok-2?

Grok-2 significantly outperforms across most benchmarks. Gemma 3 12B 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.

How does Gemma 3 12B compare to Grok-2 in benchmarks?

Gemma 3 12B scores GSM8k: 94.4%, IFEval: 88.9%, DocVQA: 87.1%, BIG-Bench Hard: 85.7%, HumanEval: 85.4%. Grok-2 scores DocVQA: 93.6%, HumanEval: 88.4%, MMLU: 87.5%, MATH: 76.1%, MMLU-Pro: 75.5%.

Is Gemma 3 12B cheaper than Grok-2?

Gemma 3 12B is 40.0x cheaper for input tokens. Gemma 3 12B costs $0.05/M input and $0.10/M output via deepinfra. Grok-2 costs $2.00/M input and $10.00/M output via xai.

What are the context window sizes for Gemma 3 12B and Grok-2?

Gemma 3 12B supports 131K tokens and Grok-2 supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemma 3 12B and Grok-2?

Key differences include context window (131K vs 128K), input pricing ($0.05 vs $2.00/M), licensing (Gemma vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemma 3 12B and Grok-2?

Gemma 3 12B is developed by Google and Grok-2 is developed by xAI.