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Claude 3 Opus vs Claude Haiku 4.5
Comprehensive side-by-side LLM comparison
Claude Haiku 4.5 leads with 22.6% higher average benchmark score. Claude Haiku 4.5 is $84.00 cheaper per million tokens. Claude 3 Opus is available on 3 providers. Overall, Claude Haiku 4.5 is the stronger choice for coding tasks.
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Anthropic
Claude 3 Opus was developed as the most capable model in the Claude 3 family, designed to set new industry benchmarks across a wide range of cognitive tasks. Built to handle complex analysis and extended tasks requiring deep reasoning, it balanced frontier intelligence with careful safety considerations, representing the flagship tier of the Claude 3 generation.
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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.
1 year newer
Claude 3 Opus
Anthropic
2024-02-29
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 Opus
Input:$15.00
Output:$75.00
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Claude Haiku 4.5
Input:$1.00
Output:$5.00($84.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude 3 Opus
Average Score:50.4%
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Claude Haiku 4.5
Average Score:73.0%(+22.6%)
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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 Opus
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 Opus
Avg Score:50.4%
Providers:3
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Claude Haiku 4.5
Avg Score:73.0%(+22.6%)
Providers:1