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GPT-5 vs Phi 4 Reasoning Plus
Comprehensive side-by-side LLM comparison
GPT-5 leads with 36.0% 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 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 70.1% across 35 benchmarks. It excels particularly in SWE-Lancer (IC-Diamond subset) (100.0%), COLLIE (99.0%), Tau2 Telecom (96.7%). It supports a 528K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
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Microsoft
Phi 4 Reasoning Plus is a language model developed by Microsoft. It achieves strong performance with an average score of 78.9% across 11 benchmarks. It excels particularly in FlenQA (97.9%), HumanEval+ (92.3%), IFEval (84.9%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Microsoft's latest advancement in AI technology.
3 months newer
Phi 4 Reasoning Plus
Microsoft
2025-04-30
GPT-5
OpenAI
2025-08-07
Performance Metrics
Context window and performance specifications
Average performance across 44 common benchmarks
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GPT-5
Average Score:55.7%(+36.0%)
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Phi 4 Reasoning Plus
Average Score:19.7%
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Knowledge Cutoff
Training data recency comparison
GPT-5
2024-09-30
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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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:55.7%(+36.0%)
Providers:2
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Phi 4 Reasoning Plus
Avg Score:19.7%
Providers:0