Alberto Fortin
1.2K posts

Alberto Fortin
@a7fort
bootstrapped founder, fractional CTO, event organiser, music maker 🇮🇹🇬🇧 I talk tech, AI, creativity yes to nuanced, balanced takes no to bullshit hype


One day while testing GPT-5.5, I had my first taste of AGI. We had a branch with hundreds of visual and front-end changes, plus complex refactors. At the same time, main had changed a lot too. Conflicts everywhere.




For those living under a rock: LLMs stopped becoming smarter around summer 2025. Everything impressive you see since then is about finetuning them for specific tasks (mainly coding and software-tool-based task solving) and building tooling around them (such as agentic coding systems).













I know this is pretty well established at this point, but Codex 5.3 is a much more effective model than Opus 4.6. I went back and forth on both for a bit, but haven’t touched Opus at all now for a full week. First model to get me off of Opus… ever. Good job Codex team.







