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Grok-2 vs Grok-4
Comprehensive side-by-side LLM comparison
Grok-4 leads with 31.5% higher average benchmark score. Grok-4 offers 128.0K more tokens in context window than Grok-2. Grok-2 is $6.00 cheaper per million tokens. Overall, Grok-4 is the stronger choice for coding tasks.
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xAI
Grok 2 was developed as the second generation of xAI's language model family, designed to provide enhanced reasoning, knowledge, and conversational abilities. Built with architectural improvements and expanded training, it represents a significant advancement in xAI's model capabilities.
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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
Grok-2
xAI
2024-08-13
Grok-4
xAI
2025-07-09
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Pricing Comparison
Cost per million tokens (USD)
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Grok-2
Input:$2.00
Output:$10.00($6.00 cheaper)
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Grok-4
Input:$3.00
Output:$15.00
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Grok-2
Average Score:56.0%
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Grok-4
Average Score:87.5%(+31.5%)
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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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Grok-2
1 providers
xAI
Throughput: 85 tok/s
Latency: 0.7ms
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Grok-4
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Grok-2
Avg Score:56.0%
Providers:1
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Grok-4
Avg Score:87.5%(+31.5%)
Providers:2