When developers let an AI choose a programming language or library, how different are the choices made by different LLMs?

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I remember you working with AI and getting incorrect suggestions and code leading to Flask use instead of FastAPI. It was a revelation at the time that the AI could consistently provide poor advice based on what’s popular versus what actually works.

I did a before/after test in OppLab, Oppkey’s software for doing exactly this, using Flask vs FastAPI as the case study.

Results are here: If AI defaults to Flask, can better content help FastAPI show up for the right questions?