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GPT-4o vs Grok-4
Comprehensive side-by-side LLM comparison
Grok-4 leads with 26.0% higher average benchmark score. Grok-4 offers 119.6K more tokens in context window than GPT-4o. GPT-4o is $5.50 cheaper per million tokens. Overall, Grok-4 is the stronger choice for coding tasks.
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OpenAI
This updated version of GPT-4o was released with refinements to its multimodal capabilities and improved performance across text, vision, and audio tasks. Built to incorporate learnings from the initial GPT-4o deployment, it enhanced reliability and accuracy while maintaining the seamless cross-modal reasoning that defines the GPT-4o family.
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xAI
Grok 4 represents the fourth generation of xAI's language models, developed to continue advancing the frontier of AI reasoning and knowledge. Built to handle increasingly complex tasks with enhanced reliability, it demonstrates xAI's commitment to pushing AI capabilities forward.
11 months newer
GPT-4o
OpenAI
2024-08-06
Grok-4
xAI
2025-07-09
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Pricing Comparison
Cost per million tokens (USD)
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GPT-4o
Input:$2.50
Output:$10.00($5.50 cheaper)
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Grok-4
Input:$3.00
Output:$15.00
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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GPT-4o
Average Score:37.7%
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Grok-4
Average Score:63.7%(+26.0%)
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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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GPT-4o
2 providers
Azure
Throughput: 99 tok/s
Latency: 0.53ms
OpenAI
Throughput: 132 tok/s
Latency: 0.5ms
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GPT-4o
Avg Score:37.7%
Providers:2
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Grok-4
Avg Score:63.7%(+26.0%)
Providers:2