[D] What tech stacks do you use when creating an LLM based app?

Making apps based on foundational LLMs feels like it should have a tech stack "pattern" - a commonly used set of tools that most of the apps use unless there's a unique reason to deviate.

What tech stacks do people here use?

The link below has some suggestions, but it would be great to know what people use in practice. Are these ones good?

[https://gradientflow.com/building-llm-powered-apps-what-you-need-to-know/](https://gradientflow.com/building-llm-powered-apps-what-you-need-to-know/)

app apps llm llms machinelearning making people set stack stacks tech tech stack tech stacks tools