I really wanted to believe in this free AI coding tool could replace Claude Code. But it isn't ready for prime time unless you're willing to babysit.

In benchmark tests such as Swaybench Pro and Terminal Bench, GPT-5.3 Codex consistently outperformed its predecessors, setting new standards for speed and execution. When compared to Anthropic’s Opus ...

That's the audience that the London Business School is targeting with a new one-year MBA program. Unlike a traditional ...