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Claude 3 Sonnet vs Claude Sonnet 4
Comprehensive side-by-side LLM comparison
Claude Sonnet 4 leads with 35.0% higher average benchmark score. Claude 3 Sonnet offers 72.0K more tokens in context window than Claude Sonnet 4. Both models have similar pricing. Overall, Claude Sonnet 4 is the stronger choice for coding tasks.
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Anthropic
Claude 3 Sonnet was introduced as the balanced middle tier of the Claude 3 family, offering a combination of strong capabilities and operational speed. Designed to provide an optimal tradeoff between intelligence and performance for everyday tasks, it served as a versatile solution for a wide range of enterprise and consumer applications.
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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.
1 year newer
Claude 3 Sonnet
Anthropic
2024-02-29
Claude Sonnet 4
Anthropic
2025-05-22
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Pricing Comparison
Cost per million tokens (USD)
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Claude 3 Sonnet
Input:$3.00
Output:$15.00
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Claude Sonnet 4
Input:$3.00
Output:$15.00
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude 3 Sonnet
Average Score:40.4%
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Claude Sonnet 4
Average Score:75.4%(+35.0%)
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:40.4%
Providers:3
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Claude Sonnet 4
Avg Score:75.4%(+35.0%)
Providers:4