@pbteja1998 My colleague uses claude code and I use codex. One thing I noticed is both will take a little time to pick up your codebase context and once it's done they will perform best. It depends on the way you prompt them and how to utilise the context. Like agents.md or claude.md etc.
Introducing GPT-5.5
A new class of intelligence for real work and powering agents, built to understand complex goals, use tools, check its work, and carry more tasks through to completion. It marks a new way of getting computer work done.
Now available in ChatGPT and Codex.