Model Comparison

Grok-2 vs Pixtral-12B

Grok-2 significantly outperforms across most benchmarks. Pixtral-12B is 26.7x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

Grok-2 outperforms in 6 benchmarks (DocVQA, HumanEval, MATH, MathVista, MMLU, MMMU), while Pixtral-12B is better at 0 benchmarks.

Grok-2 significantly outperforms across most benchmarks.

Sun May 24 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Pixtral-12B costs less

For input processing, Grok-2 ($2.00/1M tokens) is 13.3x more expensive than Pixtral-12B ($0.15/1M tokens).

For output processing, Grok-2 ($10.00/1M tokens) is 66.7x more expensive than Pixtral-12B ($0.15/1M tokens).

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

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

Lowest available price from all providers
Sun May 24 2026 • llm-stats.com
xAI
Grok-2
Input tokens$2.00
Output tokens$10.00
Best providerxAI
Mistral AI
Pixtral-12B
Input tokens$0.15
Output tokens$0.15
Best providerMistral
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Both models have the same input context window of 128,000 tokens. Pixtral-12B can generate longer responses up to 8,192 tokens, while Grok-2 is limited to 8,000 tokens.

xAI
Grok-2
Input128,000 tokens
Output8,000 tokens
Mistral AI
Pixtral-12B
Input128,000 tokens
Output8,192 tokens
Sun May 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Grok-2 and Pixtral-12B support multimodal inputs.

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

Grok-2

Text
Images
Audio
Video

Pixtral-12B

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-2 is licensed under a proprietary license, while Pixtral-12B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Grok-2

Proprietary

Closed source

Pixtral-12B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Grok-2 was released on 2024-08-13, while Pixtral-12B was released on 2024-09-17.

Pixtral-12B is 1 month newer than Grok-2.

Grok-2

Aug 13, 2024

1.8 years ago

Pixtral-12B

Sep 17, 2024

1.7 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

Provider Availability

Grok-2 is available from xAI. Pixtral-12B is available from Mistral AI.

Grok-2

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M

Pixtral-12B

mistral logo
Mistral
Input Price:Input: $0.15/1MOutput Price:Output: $0.15/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

xAI
Higher DocVQA score (93.6% vs 90.7%)
Higher HumanEval score (88.4% vs 72.0%)
Higher MATH score (76.1% vs 48.1%)
Higher MathVista score (69.0% vs 58.0%)
Higher MMLU score (87.5% vs 69.2%)
Higher MMMU score (66.1% vs 52.5%)
Mistral AI
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok-2
Mistral AI
Pixtral-12B

FAQ

Common questions about Grok-2 vs Pixtral-12B.

Which is better, Grok-2 or Pixtral-12B?

Grok-2 significantly outperforms across most benchmarks. Grok-2 is made by xAI and Pixtral-12B is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

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

Grok-2 scores DocVQA: 93.6%, HumanEval: 88.4%, MMLU: 87.5%, MATH: 76.1%, MMLU-Pro: 75.5%. Pixtral-12B scores DocVQA: 90.7%, ChartQA: 81.8%, VQAv2: 78.6%, MT-Bench: 76.8%, HumanEval: 72.0%.

Is Grok-2 cheaper than Pixtral-12B?

Pixtral-12B is 13.3x cheaper for input tokens. Grok-2 costs $2.00/M input and $10.00/M output via xai. Pixtral-12B costs $0.15/M input and $0.15/M output via mistral.

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

Grok-2 supports 128K tokens and Pixtral-12B 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 Grok-2 and Pixtral-12B?

Key differences include input pricing ($2.00 vs $0.15/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-2 and Pixtral-12B?

Grok-2 is developed by xAI and Pixtral-12B is developed by Mistral AI.