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GPT-5 vs Grok 4
Comprehensive side-by-side LLM comparison
GPT-5 leads with 6.8% higher average benchmark score. GPT-5 offers 154.2K more tokens in context window than Grok 4. Grok 4 is $120.00 cheaper per million tokens. Overall, GPT-5 is the stronger choice for coding tasks.
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OpenAI
GPT-5, released by OpenAI on August 7, 2025, is a large language model that combines direct generation and extended reasoning in a single unified system with a built-in routing mechanism. It features a 400K token context window, 128K maximum output tokens, native multimodal support (text, image, audio, video), and demonstrated strong results across coding, mathematics, visual understanding, and health benchmarks at release. GPT-5 targets complex multi-step tasks including advanced coding, mathematical problem solving, and long-context analysis.
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xAI
Grok 4, released by xAI on July 10, 2025, is a large language model featuring first-principles reasoning and comprehensive multimodal support. It features a 260K token context window and demonstrated strong performance on advanced reasoning and coding benchmarks. Grok 4 targets complex multi-step reasoning tasks, scientific analysis, and agentic workflows via the xAI API.
28 days newer
Grok 4
xAI
2025-07-10
GPT-5
OpenAI
2025-08-07
Pricing Comparison
Cost per million tokens (USD)
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GPT-5
Input:$30.00
Output:$120.00
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Grok 4
Input:$5.00
Output:$25.00($120.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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GPT-5
Average Score:61.1%(+6.8%)
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Grok 4
Average Score:54.3%
Performance comparison across key benchmark categories
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GPT-5
Science87.3%
Agents34.8%(+13.7%)
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Grok 4
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Knowledge Cutoff
Training data recency comparison
GPT-5
2025-05
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
1 providers
OpenAI
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Grok 4
1 providers
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GPT-5
Avg Score:61.1%(+6.8%)
Providers:1
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Grok 4
Avg Score:54.3%
Providers:1