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GPT-5 vs Phi 4
Comprehensive side-by-side LLM comparison
GPT-5 leads with 13.1% higher average benchmark score. GPT-5 offers 496.0K more tokens in context window than Phi 4. Phi 4 is $11.04 cheaper per million tokens. GPT-5 supports multimodal inputs. 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 was introduced as the fourth generation of Microsoft's small language model series, designed to push the boundaries of what compact models can achieve. Built with advanced training techniques and architectural improvements, it demonstrates continued progress in efficient, high-quality language models.
7 months newer
Phi 4
Microsoft
2024-12-12
GPT-5
OpenAI
2025-08-07
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Pricing Comparison
Cost per million tokens (USD)
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GPT-5
Input:$1.25
Output:$10.00
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Phi 4
Input:$0.07
Output:$0.14($11.04 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
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GPT-5
Average Score:89.1%(+13.1%)
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Phi 4
Average Score:76.0%
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Knowledge Cutoff
Training data recency comparison
Phi 4
2024-06-01
GPT-5
2024-09-30
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:89.1%(+13.1%)
Providers:2
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Phi 4
Avg Score:76.0%
Providers:1