Codex framed the app, Cursor did the surgical edits, and a working SIP call-center app got built by one person — the rough UI is the actual lesson here.
Clearing out a year-old Obsidian folder on model fine-tuning made the shift obvious: from chasing model capability to chasing business results through workflow and RAG.
A three-step pipeline — outline with Gemini, flesh out a transcript, then let NotebookLM turn both into a presentation — that cut a week of course prep down to a day or two.
Watching an agent diagnose its own missed schedule, switch itself from passive to active wake mode, and confirm the fix — without me tracing a single step of it myself.
Registered a new Google account to pay for steadier API access after hitting rate limits on the free tier — and got flagged as bot-created within a day of paying.
Working around a broken systemd installer, teaching a model to fetch stock data itself when the plugin store isn’t reachable, and locking the firewall down to SSH-only.
Moving from Cursor to OpenAI Codex, two days spent simplifying the network layout, a fix for Podsync’s YouTube rate-limiting, and a disposable-container trick for benchmarking a NAS.
Why describing what you want in plain language and letting Claude auto-apply a Skill beats another afternoon spent wiring up nodes in Dify, n8n, or Coze.
GPUs are the flexible all-rounder with a mature ecosystem; TPUs are the specialist that’s brutally efficient at large-scale matrix math — plus a rundown of who actually trains on TPUs.
Asking Gemini Pro and ChatGPT 5.2 to do an engineering-style read on whether emergency braking was slow to react — and what the physics of a ‘ghost probe’ collision actually allow.
After my own Tesla was hit by a car pulling out from under a bridge, I ran the accident photo past ChatGPT, Gemini, Grok, Copilot, Claude, and a few domestic models to see which ones actually got liability right.
Three models, one vague brief to redesign a blog’s UX, visuals, and SEO — and a clear split between models that plan first and models that just ship a result.