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Claude Haiku 4.5 vs GPT-5 mini
Comprehensive side-by-side LLM comparison
GPT-5 mini leads with 2.0% higher average benchmark score. GPT-5 mini offers 128.0K more tokens in context window than Claude Haiku 4.5. GPT-5 mini is $3.75 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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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-5 Mini was created as a more accessible version of GPT-5, designed to provide strong capabilities with improved efficiency and lower operational costs. Built to extend GPT-5's advancements to a broader range of applications, it balances advanced performance with practical deployment considerations.
2 months newer
GPT-5 mini
OpenAI
2025-08-07
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
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GPT-5 mini
Input:$0.25
Output:$2.00($3.75 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Claude Haiku 4.5
Average Score:84.7%
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GPT-5 mini
Average Score:86.7%(+2.0%)
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Knowledge Cutoff
Training data recency comparison
GPT-5 mini
2024-05-30
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-5 mini
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Claude Haiku 4.5
Avg Score:84.7%
Providers:1
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GPT-5 mini
Avg Score:86.7%(+2.0%)
Providers:2