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GPT-5 Codex vs Phi-3.5-MoE-instruct
Comprehensive side-by-side LLM comparison
Phi-3.5-MoE-instruct leads with 61.2% higher average benchmark score. Overall, Phi-3.5-MoE-instruct is the stronger choice for coding tasks.
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OpenAI
GPT-5 Codex is a language model developed by OpenAI. It achieves strong performance with an average score of 74.5% across 1 benchmarks. Notable strengths include SWE-Bench Verified (74.5%). Released in 2025, it represents OpenAI's latest advancement in AI technology.
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Microsoft
Phi-3.5-MoE-instruct is a language model developed by Microsoft. It achieves strong performance with an average score of 65.6% across 31 benchmarks. It excels particularly in ARC-C (91.0%), OpenBookQA (89.6%), GSM8k (88.7%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2024, it represents Microsoft's latest advancement in AI technology.
1 year newer
Phi-3.5-MoE-instruct
Microsoft
2024-08-23
GPT-5 Codex
OpenAI
2025-09-15
Average performance across 32 common benchmarks
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GPT-5 Codex
Average Score:2.3%
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Phi-3.5-MoE-instruct
Average Score:63.5%(+61.2%)
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Knowledge Cutoff
Training data recency comparison
GPT-5 Codex
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 Codex
0 providers
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Phi-3.5-MoE-instruct
0 providers
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GPT-5 Codex
Avg Score:2.3%
Providers:0
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Phi-3.5-MoE-instruct
Avg Score:63.5%(+61.2%)
Providers:0