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GPT-5.3 Codex

OpenAI

AA benchmark indicesIndices from Artificial Analysis. Intelligence score = 50% agentic + 40% coding + 10% speed.Read methodology →

AAIntelligence scoreVerified
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Intelligence score composite

AAIntelligenceVerified
44.3/100
AACoding
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AAAgentic
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AA quality trend
Not enough history

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Caveats
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