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Grok-4 Heavy vs Pixtral-12B
Comprehensive side-by-side LLM comparison
Pixtral-12B leads with 18.1% higher average benchmark score. Overall, Pixtral-12B is the stronger choice for coding tasks.
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xAI
Grok-4 Heavy is a multimodal language model developed by xAI. It achieves strong performance with an average score of 79.5% across 6 benchmarks. It excels particularly in AIME 2025 (100.0%), HMMT25 (96.7%), GPQA (88.4%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.
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Mistral AI
Pixtral-12B is a multimodal language model developed by Mistral AI. It achieves strong performance with an average score of 66.8% across 12 benchmarks. It excels particularly in DocVQA (90.7%), ChartQA (81.8%), VQAv2 (78.6%). It supports a 136K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2024, it represents Mistral AI's latest advancement in AI technology.
9 months newer
Pixtral-12B
Mistral AI
2024-09-17
Grok-4 Heavy
xAI
2025-07-09
Performance Metrics
Context window and performance specifications
Average performance across 18 common benchmarks
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Grok-4 Heavy
Average Score:26.5%
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Pixtral-12B
Average Score:44.6%(+18.1%)
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Knowledge Cutoff
Training data recency comparison
Grok-4 Heavy
2024-12-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Grok-4 Heavy
0 providers
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Pixtral-12B
1 providers
Mistral AI
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Grok-4 Heavy
Avg Score:26.5%
Providers:0
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Pixtral-12B
Avg Score:44.6%(+18.1%)
Providers:1