Why do you guys stick with Codex right now?

I've paid for both (Plus and Claude Pro), and honestly Opus 5.5 seems ahead at the moment. On Terminal-Bench 4.0 it scores 66.4% vs 57.9% for Astra, and on the Artificial Analysis index it's 58 vs about 54 for GPT-6.1 Sol. Overall, Opus 5.5 is really good right now, and Astra is basically unusable on the $20 plan. The one thing I get is price. Sol is way cheaper to run, so I'm guessing that's why Plus limits feel more generous than Claude Pro's (debatable). So is it mostly the limits? Or does Codex actually do something better for you? PS: Not a fanboy of either. Both want my money and to rule the world lol. Just curious because I need an extra $20 account for my usage.