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Grok-4 Heavy vs Phi-3.5-vision-instruct
Comprehensive side-by-side LLM comparison
. Both models have their strengths depending on your specific coding needs.
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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.
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Microsoft
Phi-3.5 Vision was developed as a multimodal variant of Phi-3.5, designed to understand and reason about both images and text. Built to extend the Phi family's efficiency into vision-language tasks, it enables compact multimodal AI for practical applications.
10 months newer
Phi-3.5-vision-instruct
Microsoft
2024-08-23
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-4 Heavy
0 providers
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Phi-3.5-vision-instruct
0 providers
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Grok-4 Heavy
Avg Score:0.0%
Providers:0
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Phi-3.5-vision-instruct
Avg Score:0.0%
Providers:0