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.
The table below allows you to quickly see the score we gave each provider, what we believe each platform is best for and how much it costs to use. You can even find links to all available platform ...
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