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GPT-4 vs Grok-4 Heavy
Comprehensive side-by-side LLM comparison
Grok-4 Heavy leads with 52.7% higher average benchmark score. GPT-4 is available on 2 providers. Overall, Grok-4 Heavy is the stronger choice for coding tasks.
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OpenAI
GPT-4 was created as a large multimodal model capable of accepting image and text inputs while producing text outputs. Developed to exhibit human-level performance on various professional and academic benchmarks, it marked a significant advancement in reliability, creativity, and handling of nuanced instructions compared to its predecessors.
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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.
2 years newer
GPT-4
OpenAI
2023-06-13
Grok-4 Heavy
xAI
2025-07-09
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Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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GPT-4
Average Score:35.7%
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Grok-4 Heavy
Average Score:88.4%(+52.7%)
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Knowledge Cutoff
Training data recency comparison
GPT-4
2022-12-31
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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GPT-4
2 providers
Azure
Throughput: 104 tok/s
Latency: 0.3ms
OpenAI
Throughput: 100 tok/s
Latency: 0.5ms
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GPT-4
Avg Score:35.7%
Providers:2
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Grok-4 Heavy
Avg Score:88.4%(+52.7%)
Providers:0