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o3 vs Phi 4 Reasoning Plus
Comprehensive side-by-side LLM comparison
o3 leads with 11.0% higher average benchmark score. o3 supports multimodal inputs. Overall, o3 is the stronger choice for coding tasks.
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OpenAI
o3 represents the next generation in OpenAI's reasoning model series, developed to advance the capabilities of deliberate, step-by-step problem solving. Built to handle increasingly complex challenges across mathematics, science, and coding, it continues the evolution of reasoning-focused AI with improved analytical depth and accuracy.
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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.
14 days newer
o3
OpenAI
2025-04-16
Phi 4 Reasoning Plus
Microsoft
2025-04-30
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Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
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o3
Average Score:87.1%(+11.0%)
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Phi 4 Reasoning Plus
Average Score:76.1%
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Knowledge Cutoff
Training data recency comparison
o3
2024-05-31
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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o3
1 providers
OpenAI
Throughput: 50 tok/s
Latency: 20ms
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Phi 4 Reasoning Plus
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o3
Avg Score:87.1%(+11.0%)
Providers:1
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Phi 4 Reasoning Plus
Avg Score:76.1%
Providers:0