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Claude 3.5 Haiku vs Phi 4 Reasoning Plus
Comprehensive side-by-side LLM comparison
Phi 4 Reasoning Plus leads with 19.1% higher average benchmark score. Claude 3.5 Haiku is available on 3 providers. Overall, Phi 4 Reasoning Plus is the stronger choice for coding tasks.
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Anthropic
Claude 3.5 Haiku was developed as the next generation of Anthropic's fastest model, offering similar speed to Claude 3 Haiku while surpassing Claude 3 Opus on many intelligence benchmarks. Built with low latency, improved instruction following, and accurate tool use, it serves user-facing products, specialized sub-agent tasks, and data-heavy applications.
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Microsoft
Phi-4 Reasoning Plus was created as an enhanced reasoning variant, designed to provide even deeper analytical capabilities within the Phi-4 family. Built to maximize reasoning quality while maintaining the efficiency benefits of small models, it represents the most capable reasoning-focused option in the Phi-4 series.
6 months newer
Claude 3.5 Haiku
Anthropic
2024-10-22
Phi 4 Reasoning Plus
Microsoft
2025-04-30
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Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Claude 3.5 Haiku
Average Score:53.3%
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Phi 4 Reasoning Plus
Average Score:72.4%(+19.1%)
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Knowledge Cutoff
Training data recency comparison
Phi 4 Reasoning Plus
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 3.5 Haiku
3 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.3ms
Bedrock
Throughput: 104 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3.5 Haiku
Avg Score:53.3%
Providers:3
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Phi 4 Reasoning Plus
Avg Score:72.4%(+19.1%)
Providers:0