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Claude Sonnet 4 vs Grok Code Fast 1
Comprehensive side-by-side LLM comparison
Claude Sonnet 4 leads with 60.6% higher average benchmark score. Claude Sonnet 4 offers 62.0K more tokens in context window than Grok Code Fast 1. Grok Code Fast 1 is $16.30 cheaper per million tokens. Claude Sonnet 4 supports multimodal inputs. 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 Code Fast 1 is a language model developed by xAI. It achieves strong performance with an average score of 70.8% across 1 benchmarks. Notable strengths include SWE-Bench Verified (70.8%). It supports a 266K token context window for handling large documents. The model is available through 1 API provider. Released in 2025, it represents xAI's latest advancement in AI technology.
3 months newer
Claude Sonnet 4
Anthropic
2025-05-22
Grok Code Fast 1
xAI
2025-08-28
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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 Code Fast 1
Input:$0.20
Output:$1.50($16.30 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 8 common benchmarks
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Claude Sonnet 4
Average Score:69.4%(+60.6%)
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Grok Code Fast 1
Average Score:8.8%
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:69.4%(+60.6%)
Providers:4
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Grok Code Fast 1
Avg Score:8.8%
Providers:1