Comment by sigmoid10

For me it's Opus 4.6 for researching code/digging through repos, gpt 5.3 codex for writing code, gemini for single hardcore science/math algorithms and grok for things the others refuse to answer or skirt around (e.g. some security/exploitability related queries). Get yourself one of those wrappers that support all models and forget thinking about who has the best model. The question is who has the best model for your problem. And there's usually a correct answer, even if it changes regularly.