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Claude 3.7 Sonnet vs Claude Haiku 4.5
Comprehensive side-by-side LLM comparison
Claude Haiku 4.5 leads with 7.1% higher average benchmark score. Claude Haiku 4.5 offers 72.0K more tokens in context window than Claude 3.7 Sonnet. Claude Haiku 4.5 is $12.00 cheaper per million tokens. Claude 3.7 Sonnet is available on 4 providers. Overall, Claude Haiku 4.5 is the stronger choice for coding tasks.
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Anthropic
Claude 3.7 Sonnet represents Anthropic's first hybrid reasoning model, capable of producing near-instant responses or extended step-by-step thinking that is visible to users. Developed with particularly strong improvements in coding and front-end web development, it allows users to control thinking budgets and balances real-world task performance with reasoning capabilities for enterprise applications.
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Anthropic
Claude Haiku 4.5 continues Anthropic's tradition of fast, efficient models in the fourth generation Claude family. Designed to maintain the hallmark speed and cost-effectiveness of the Haiku line while incorporating advancements from the Claude 4 series, it serves applications requiring rapid processing and quick turnaround times.
7 months newer
Claude 3.7 Sonnet
Anthropic
2025-02-24
Claude Haiku 4.5
Anthropic
2025-10-15
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Pricing Comparison
Cost per million tokens (USD)
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Claude 3.7 Sonnet
Input:$3.00
Output:$15.00
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Claude Haiku 4.5
Input:$1.00
Output:$5.00($12.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 5 common benchmarks
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Claude 3.7 Sonnet
Average Score:66.2%
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Claude Haiku 4.5
Average Score:73.3%(+7.1%)
Performance comparison across key benchmark categories
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Claude 3.7 Sonnet
Coding70.3%
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Claude Haiku 4.5
Coding73.3%(+3.0%)
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Knowledge Cutoff
Training data recency comparison
Claude Haiku 4.5
2025-02-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude 3.7 Sonnet
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 3.7 Sonnet
Avg Score:66.2%
Providers:4
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Claude Haiku 4.5
Avg Score:73.3%(+7.1%)
Providers:1