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GPT-5 vs Grok-4
Comprehensive side-by-side LLM comparison
Grok-4 leads with 4.7% higher average benchmark score. GPT-5 offers 264.0K more tokens in context window than Grok-4. GPT-5 is $6.75 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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OpenAI
GPT-5 represents the next generation of OpenAI's foundational models, developed to advance the frontier of AI capabilities in reasoning, knowledge, and general intelligence. Built to push beyond the limitations of GPT-4, it incorporates architectural and training improvements designed to enhance performance across diverse tasks and domains.
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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.
29 days newer
Grok-4
xAI
2025-07-09
GPT-5
OpenAI
2025-08-07
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Pricing Comparison
Cost per million tokens (USD)
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GPT-5
Input:$1.25
Output:$10.00($6.75 cheaper)
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Grok-4
Input:$3.00
Output:$15.00
Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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GPT-5
Average Score:68.4%
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Grok-4
Average Score:73.1%(+4.7%)
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Knowledge Cutoff
Training data recency comparison
GPT-5
2024-09-30
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-5
2 providers
OpenAI
Throughput: 100 tok/s
Latency: 2ms
ZeroEval
Throughput: 100 tok/s
Latency: 2ms
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GPT-5
Avg Score:68.4%
Providers:2
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Grok-4
Avg Score:73.1%(+4.7%)
Providers:2