GPT-5 bombed my coding tests, but redeemed itself with code analysis

ZDNet - Artificial Intelligence
Aug 11, 2025 12:51
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Summary

The article compares several GPT-5 variants and o3 in analyzing a code repository, revealing notable differences in their detail, reasoning, and practical recommendations. While GPT-5 struggled with coding tests, its strengths in code analysis suggest AI tools may be more valuable for reviewing and improving code rather than direct coding tasks, highlighting the importance of matching AI capabilities to specific developer needs.

I asked GPT-5, GPT-5 Pro, GPT-5 Thinking, and o3 to analyze my code repository - and found surprising differences in detail, reasoning, and actionable insights that could change how you work.