If you still use one model for everything, you usually pay in one of three ways: higher cost, slower delivery, or more rework. A better setup is role-based collaboration: Claude Code for planning and quality gates, Codex for fast implementation and batch edits. ...
MCP sounds great in theory, but real-world setup often fails at browser debugging: AI cannot reach Chrome, cannot inspect network requests, and cannot collect performance traces. This guide gives you a copy-paste setup that works on Windows + WSL. ...
If you use AI as a chatbot only, these tools feel similar. In real engineering workflows, they behave very differently. My conclusion first: use Codex for repo-native coding changes, Claude for deep reasoning and long-form planning, and OpenAI CLI for standardized automation pipelines. ...