Les Masterson is a deputy editor and insurance analyst at Forbes Advisor. He has been a journalist, reporter, editor and content creator for more than 25 years. He has covered insurance for a decade, ...
GPT-5.3-Codex moved to No. 1 in Quality on the Microsoft Foundry AI Model Leaderboard soon after release, while a cross-metric 'podium' scoring method put GPT-5-Nano on top overall for efficiency.
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