GPT-5.2-Codex vs Claude Opus 4.5 vs Gemini Pro: Which Model Actually Codes Best?

The internet cannot agree on which AI model codes best. * @themandalorenzo says "Opus 4.5 is KING!" for coding. * @CosmicSenate says Codex is smarter and Opus is "quite weak" for hard problems. * @VictorTaelin says Opus is "a bit dumber than Gemini but way more usable.