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Claude Haiku 4.5 vs GPT-4.1
Comprehensive side-by-side LLM comparison
Claude Haiku 4.5 leads with 17.8% higher average benchmark score. GPT-4.1 offers 680.3K more tokens in context window than Claude Haiku 4.5. Claude Haiku 4.5 is $4.00 cheaper per million tokens. Overall, Claude Haiku 4.5 is the stronger choice for coding tasks.
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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.
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OpenAI
GPT-4.1 represents an iterative improvement in the GPT-4 series, developed to refine the foundational capabilities established by GPT-4. Built to incorporate learnings and optimizations from the deployment of previous versions, it continues the evolution of OpenAI's flagship model line with enhanced reliability and performance.
6 months newer
GPT-4.1
OpenAI
2025-04-14
Claude Haiku 4.5
Anthropic
2025-10-15
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Pricing Comparison
Cost per million tokens (USD)
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Claude Haiku 4.5
Input:$1.00
Output:$5.00($4.00 cheaper)
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GPT-4.1
Input:$2.00
Output:$8.00
Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
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Claude Haiku 4.5
Average Score:81.4%(+17.8%)
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GPT-4.1
Average Score:63.7%
Performance comparison across key benchmark categories
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Claude Haiku 4.5
Coding73.3%(+18.7%)
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GPT-4.1
Coding54.6%
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Knowledge Cutoff
Training data recency comparison
GPT-4.1
2024-06-01
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 Haiku 4.5
1 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.3ms
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GPT-4.1
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Claude Haiku 4.5
Avg Score:81.4%(+17.8%)
Providers:1
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GPT-4.1
Avg Score:63.7%
Providers:1