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Claude 3.5 Sonnet vs Grok Code Fast 1
Comprehensive side-by-side LLM comparison
Grok Code Fast 1 leads with 21.8% higher average benchmark score. Claude 3.5 Sonnet offers 134.0K more tokens in context window than Grok Code Fast 1. Grok Code Fast 1 is $16.30 cheaper per million tokens. Claude 3.5 Sonnet supports multimodal inputs. Claude 3.5 Sonnet is available on 3 providers. Overall, Grok Code Fast 1 is the stronger choice for coding tasks.
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Anthropic
This upgraded version of Claude 3.5 Sonnet was released with significant improvements in coding and agentic tool use. Built to deliver enhanced performance in software engineering tasks, it brought substantial gains in reasoning and problem-solving while introducing the groundbreaking computer use capability in public beta, allowing it to interact with computer interfaces like a human.
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xAI
Grok Code Fast was developed as a specialized coding model optimized for speed, designed to provide rapid code completion, generation, and assistance. Built to serve developers requiring quick feedback and iterative coding support, it combines programming expertise with low-latency responses.
10 months newer
Claude 3.5 Sonnet
Anthropic
2024-10-22
Grok Code Fast 1
xAI
2025-08-28
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Pricing Comparison
Cost per million tokens (USD)
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Claude 3.5 Sonnet
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 1 common benchmarks
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Claude 3.5 Sonnet
Average Score:49.0%
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Grok Code Fast 1
Average Score:70.8%(+21.8%)
Performance comparison across key benchmark categories
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Claude 3.5 Sonnet
Coding49.0%
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Grok Code Fast 1
Coding70.8%(+21.8%)
Provider Availability & Performance
Available providers and their performance metrics
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Claude 3.5 Sonnet
3 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.5ms
Bedrock
Throughput: 101 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3.5 Sonnet
Avg Score:49.0%
Providers:3
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Grok Code Fast 1
Avg Score:70.8%(+21.8%)
Providers:1