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GPT-4o vs Grok 4
Comprehensive side-by-side LLM comparison
Grok 4 leads with 21.3% higher average benchmark score. Grok 4 offers 134.1K more tokens in context window than GPT-4o. GPT-4o is $17.50 cheaper per million tokens. Overall, Grok 4 is the stronger choice for coding tasks.
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OpenAI
GPT-4o, released by OpenAI in May 2024, is a multimodal large language model from the GPT-4 family that natively processes text, image, and audio inputs in a single end-to-end model. It features a 128K token context window and demonstrated competitive performance across coding, reasoning, and vision benchmarks at its release. GPT-4o targets general-purpose assistant applications, vision-enabled workflows, and use cases requiring low-latency multimodal understanding.
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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.
1 year newer
GPT-4o
OpenAI
2024-05-13
Grok 4
xAI
2025-07-10
Pricing Comparison
Cost per million tokens (USD)
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GPT-4o
Input:$2.50
Output:$10.00($17.50 cheaper)
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Grok 4
Input:$5.00
Output:$25.00
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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GPT-4o
Average Score:33.0%
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Grok 4
Average Score:54.3%(+21.3%)
Performance comparison across key benchmark categories
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GPT-4o
Science56.1%
Agents9.9%
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Grok 4
Science
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Knowledge Cutoff
Training data recency comparison
GPT-4o
2024-04
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
1 providers
OpenAI
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Grok 4
1 providers
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GPT-4o
Avg Score:33.0%
Providers:1
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Grok 4
Avg Score:54.3%(+21.3%)
Providers:1