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Claude Opus 4 vs Grok Code Fast 1
Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 1.7% higher average benchmark score. Claude Opus 4 offers 62.0K more tokens in context window than Grok Code Fast 1. Grok Code Fast 1 is $88.30 cheaper per million tokens. Claude Opus 4 supports multimodal inputs. Claude Opus 4 is available on 4 providers. Both models have their strengths depending on your specific coding needs.
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Anthropic
Claude Opus 4 was developed as the flagship model in the Claude 4 generation, designed to push the boundaries of AI capability in complex reasoning, analysis, and multi-step problem-solving. Built to handle the most demanding enterprise tasks, it represents Anthropic's highest tier of intelligence and capability.
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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.
3 months newer
Claude Opus 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 Opus 4
Input:$15.00
Output:$75.00
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Grok Code Fast 1
Input:$0.20
Output:$1.50($88.30 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Opus 4
Average Score:72.5%(+1.7%)
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Grok Code Fast 1
Average Score:70.8%
Performance comparison across key benchmark categories
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Claude Opus 4
Coding72.5%(+1.7%)
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Grok Code Fast 1
Coding70.8%
Provider Availability & Performance
Available providers and their performance metrics
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Claude Opus 4
4 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.5ms
Bedrock
Throughput: 120 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 Opus 4
Avg Score:72.5%(+1.7%)
Providers:4
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Grok Code Fast 1
Avg Score:70.8%
Providers:1