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GPT-5 vs Phi 4 Reasoning
Comprehensive side-by-side LLM comparison
GPT-5 leads with 25.8% higher average benchmark score. GPT-5 supports multimodal inputs. GPT-5 is available on 2 providers. Overall, GPT-5 is the stronger choice for coding tasks.
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OpenAI
GPT-5 represents the next generation of OpenAI's foundational models, developed to advance the frontier of AI capabilities in reasoning, knowledge, and general intelligence. Built to push beyond the limitations of GPT-4, it incorporates architectural and training improvements designed to enhance performance across diverse tasks and domains.
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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.
3 months newer
Phi 4 Reasoning
Microsoft
2025-04-30
GPT-5
OpenAI
2025-08-07
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Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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GPT-5
Average Score:90.1%(+25.8%)
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Phi 4 Reasoning
Average Score:64.3%
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Knowledge Cutoff
Training data recency comparison
GPT-5
2024-09-30
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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GPT-5
2 providers
OpenAI
Throughput: 100 tok/s
Latency: 2ms
ZeroEval
Throughput: 100 tok/s
Latency: 2ms
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GPT-5
Avg Score:90.1%(+25.8%)
Providers:2
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Phi 4 Reasoning
Avg Score:64.3%
Providers:0