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Claude 3 Opus vs Grok-4
Comprehensive side-by-side LLM comparison
Grok-4 leads with 37.1% higher average benchmark score. Claude 3 Opus offers 136.0K more tokens in context window than Grok-4. Grok-4 is $72.00 cheaper per million tokens. Overall, Grok-4 is the stronger choice for coding tasks.
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Anthropic
Claude 3 Opus was developed as the most capable model in the Claude 3 family, designed to set new industry benchmarks across a wide range of cognitive tasks. Built to handle complex analysis and extended tasks requiring deep reasoning, it balanced frontier intelligence with careful safety considerations, representing the flagship tier of the Claude 3 generation.
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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.
1 year newer
Claude 3 Opus
Anthropic
2024-02-29
Grok-4
xAI
2025-07-09
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Pricing Comparison
Cost per million tokens (USD)
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Claude 3 Opus
Input:$15.00
Output:$75.00
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Grok-4
Input:$3.00
Output:$15.00($72.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude 3 Opus
Average Score:50.4%
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Grok-4
Average Score:87.5%(+37.1%)
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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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Claude 3 Opus
3 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.5ms
Bedrock
Throughput: 120 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3 Opus
Avg Score:50.4%
Providers:3
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Grok-4
Avg Score:87.5%(+37.1%)
Providers:2