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Claude 3 Sonnet vs Grok-4
Comprehensive side-by-side LLM comparison
Claude 3 Sonnet leads with 21.8% higher average benchmark score. Claude 3 Sonnet offers 136.0K more tokens in context window than Grok-4. Both models have similar pricing. Overall, Claude 3 Sonnet is the stronger choice for coding tasks.
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Anthropic
Claude 3 Sonnet is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 73.8% across 11 benchmarks. It excels particularly in ARC-C (93.2%), GSM8k (92.3%), HellaSwag (89.0%). It supports a 400K token context window for handling large documents. The model is available through 3 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents Anthropic's latest advancement in AI technology.
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xAI
Grok-4 is a multimodal language model developed by xAI. It achieves strong performance with an average score of 63.1% across 7 benchmarks. It excels particularly in AIME 2025 (91.7%), HMMT25 (90.0%), GPQA (87.5%). It supports a 264K token context window for handling large documents. The model is available through 2 API providers. 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.
1 year newer
Claude 3 Sonnet
Anthropic
2024-02-29
Grok-4
xAI
2025-07-09
Pricing Comparison
Cost per million tokens (USD)
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Claude 3 Sonnet
Input:$3.00
Output:$15.00
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Grok-4
Input:$3.00
Output:$15.00
Performance Metrics
Context window and performance specifications
Average performance across 17 common benchmarks
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Claude 3 Sonnet
Average Score:47.8%(+21.8%)
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Grok-4
Average Score:26.0%
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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 Sonnet
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 Sonnet
Avg Score:47.8%(+21.8%)
Providers:3
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Grok-4
Avg Score:26.0%
Providers:2