About $500 in Opus 4.6 tokens and $50 in GPT 5.4. This included a couple of re-runs as I refined the prompt. Eventually used GPT 5.4 to refine the results, dedupe some events, tighten descriptions, etc. But the first shot was good enough and it was certainly < $100. Probably GPT…↗

I've wanted a voice AI to let me go through my emails on the way to work for years. GPT 5.4 just one-shotted it. github.com/tomblomfield/v…↗

NEWS: OpenAI just announced that it has officially closed their latest funding round with $122 billion in committed capital at a post money valuation of $852 billion. "We are now generating $2B in revenue per month. At this stage, we are growing revenue four times faster than th…↗

For the GPT-5.4 launch, we overhauled our computer use demo to give folks the ability to try out the new features across different use cases. You can test drive a kanban board, hotel booking site, or paint app. Or clone the repo and add your own! Built with Codex™↗

I've been testing GPT-5.4 for the last week. In short, it is the best model in the world, by far. It's so good that it's the first model that makes the “which model should I use?” conversation feel almost over. The biggest surprise: I barely use Pro anymore! If you know me, y…↗