A new best model ships every week. The only benchmark that counts is…
GPT-5.6, Grok 4.5, a new model crushing the leaderboard every week. The trap: migrating on every release. How to build a one-hour in-house test to decide on your task, not a leaderboard. For PMs, POs and tech leads.
Once again this week, a new model shipped promising to crush all the others. Last week too. Next week, same thing. On every release, the same little voice: "should we switch to that one, it's supposed to be better?". It is exhausting, and above all it is a trap. A public leaderboard tells you a model is good on average, on generic tasks that are not yours. Your product does not run on the average. It runs on one precise task, yours. And on that task, the only test that decides anything is the one you build yourself. The good news: it costs you an hour, not a quarter. Why it matters (PM, PO, tech lead): the public leaderboard does not predict whether a model is good for YOUR case. Migrating on every release is agitation, not a decision. This week's move: gather ten real examples of your…