Claude Opus 4.6 takes the top spot on Artificial Analysis Intelligence Index, but OpenAI's Codex 5.3 looms
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Claude Opus 4.6 has taken the top spot on the Artificial Analysis Intelligence Index. However, there is some discrepancy in the version of Claude, with one outlet mentioning the release of Claude Opus 4.7. OpenAI's Codex 5.3 is also mentioned as a notable contender in the rankings.
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