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Claude Opus 4 vs Claude Sonnet 4
Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 2.2% higher average benchmark score. Claude Sonnet 4 is $72.00 cheaper per million tokens. 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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Anthropic
Claude Sonnet 4 was created as the balanced offering in the Claude 4 family, designed to provide strong intelligence with practical speed and cost efficiency. Built to serve as a versatile workhorse for diverse applications, it balances advanced capabilities with operational considerations for everyday enterprise and consumer use.
Launched on the same date
Claude Opus 4
Anthropic
2025-05-22
Claude Sonnet 4
Anthropic
2025-05-22
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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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Claude Sonnet 4
Input:$3.00
Output:$15.00($72.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 7 common benchmarks
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Claude Opus 4
Average Score:70.9%(+2.2%)
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Claude Sonnet 4
Average Score:68.7%
Performance comparison across key benchmark categories
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Claude Opus 4
Coding72.5%
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Claude Sonnet 4
Coding72.7%(+0.2%)
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:70.9%(+2.2%)
Providers:4
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Claude Sonnet 4
Avg Score:68.7%
Providers:4