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Grok-1.5V vs Grok-4 Heavy
Comprehensive side-by-side LLM comparison
. Both models have their strengths depending on your specific coding needs.
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xAI
Grok 1.5V was introduced as a vision-enabled variant of Grok 1.5, designed to understand and reason about both images and text. Built to extend Grok's capabilities into multimodal applications, it enables visual question answering and image analysis alongside textual understanding.
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xAI
Grok 4 Heavy was created as a larger, more capable variant of Grok 4, designed to provide maximum reasoning depth and analytical capability. Built for the most demanding applications requiring sophisticated problem-solving, it represents xAI's flagship offering in the fourth generation.
1 year newer
Grok-1.5V
xAI
2024-04-12
Grok-4 Heavy
xAI
2025-07-09
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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-1.5V
0 providers
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Grok-4 Heavy
0 providers
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Grok-1.5V
Avg Score:0.0%
Providers:0
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Grok-4 Heavy
Avg Score:0.0%
Providers:0