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Claude Sonnet 4 vs Grok-3
Comprehensive side-by-side LLM comparison
Grok-3 leads with 11.9% higher average benchmark score. Claude Sonnet 4 offers 192.0K more tokens in context window than Grok-3. Both models have similar pricing. Claude Sonnet 4 is available on 4 providers. Overall, Grok-3 is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4 was created as the balanced offering in the Claude 4 family, designed to provide strong intelligence with practical speed and cost efficiency. Built to serve as a versatile workhorse for diverse applications, it balances advanced capabilities with operational considerations for everyday enterprise and consumer use.
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xAI
Grok 3 was introduced as xAI's third-generation flagship model, designed to push the boundaries of reasoning, factual accuracy, and helpful assistance. Built to advance the state of AI capabilities, it incorporates improvements across language understanding, generation, and analytical thinking.
3 months newer
Grok-3
xAI
2025-02-17
Claude Sonnet 4
Anthropic
2025-05-22
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Pricing Comparison
Cost per million tokens (USD)
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Claude Sonnet 4
Input:$3.00
Output:$15.00
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Grok-3
Input:$3.00
Output:$15.00
Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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Claude Sonnet 4
Average Score:73.4%
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Grok-3
Average Score:85.3%(+11.9%)
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Knowledge Cutoff
Training data recency comparison
Grok-3
2024-11-17
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 Sonnet 4
4 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
Bedrock
Throughput: 101 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude Sonnet 4
Avg Score:73.4%
Providers:4
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Grok-3
Avg Score:85.3%(+11.9%)
Providers:1