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Claude Sonnet 4 vs Grok-3
Comprehensive side-by-side LLM comparison
Claude Sonnet 4 leads with 12.7% 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, Claude Sonnet 4 is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 69.4% across 8 benchmarks. It excels particularly in MMMLU (86.5%), TAU-bench Retail (80.5%), GPQA (75.4%). It supports a 328K token context window for handling large documents. The model is available through 4 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Anthropic's latest advancement in AI technology.
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xAI
Grok-3 is a multimodal language model developed by xAI. This model demonstrates exceptional performance with an average score of 85.7% across 5 benchmarks. It excels particularly in AIME 2025 (93.3%), AIME 2024 (93.3%), GPQA (84.6%). It supports a 136K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.
3 months newer
Grok-3
xAI
2025-02-17
Claude Sonnet 4
Anthropic
2025-05-22
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 10 common benchmarks
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Claude Sonnet 4
Average Score:55.5%(+12.7%)
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Grok-3
Average Score:42.9%
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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:55.5%(+12.7%)
Providers:4
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Grok-3
Avg Score:42.9%
Providers:1