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Grok-1.5V vs Grok-4
Comprehensive side-by-side LLM comparison
Grok-1.5V leads with 4.4% higher average benchmark score. Grok-4 is available on 2 providers. Both models have their strengths depending on your specific coding needs.
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xAI
Grok-1.5V is a multimodal language model developed by xAI. It achieves strong performance with an average score of 71.9% across 7 benchmarks. It excels particularly in AI2D (88.3%), DocVQA (85.6%), TextVQA (78.1%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents xAI's latest advancement in AI technology.
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xAI
Grok-4 is a multimodal language model developed by xAI. It achieves strong performance with an average score of 63.1% across 7 benchmarks. It excels particularly in AIME 2025 (91.7%), HMMT25 (90.0%), GPQA (87.5%). It supports a 264K token context window for handling large documents. The model is available through 2 API providers. 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.
1 year newer
Grok-1.5V
xAI
2024-04-12
Grok-4
xAI
2025-07-09
Performance Metrics
Context window and performance specifications
Average performance across 14 common benchmarks
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Grok-1.5V
Average Score:35.9%(+4.4%)
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Grok-4
Average Score:31.5%
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Knowledge Cutoff
Training data recency comparison
Grok-4
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
2 providers
xAI
Throughput:
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Grok-1.5V
Avg Score:35.9%(+4.4%)
Providers:0
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Grok-4
Avg Score:31.5%
Providers:2