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Claude Haiku 4.5 vs Phi 4 Reasoning
Comprehensive side-by-side LLM comparison
Claude Haiku 4.5 leads with 20.3% higher average benchmark score. Claude Haiku 4.5 supports multimodal inputs. 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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Microsoft
Phi-4 Reasoning was developed to incorporate extended analytical thinking into the Phi-4 architecture, designed to spend more time on complex problem-solving. Built to combine compact model efficiency with reasoning depth, it represents Microsoft's exploration of thoughtful small models.
5 months newer
Phi 4 Reasoning
Microsoft
2025-04-30
Claude Haiku 4.5
Anthropic
2025-10-15
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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%(+20.3%)
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Phi 4 Reasoning
Average Score:64.3%
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Knowledge Cutoff
Training data recency comparison
Claude Haiku 4.5
2025-02-01
Phi 4 Reasoning
2025-03-01
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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Phi 4 Reasoning
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Claude Haiku 4.5
Avg Score:84.7%(+20.3%)
Providers:1
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Phi 4 Reasoning
Avg Score:64.3%
Providers:0