string json = $"""
<h1>{title}</h1>
<article>
Welcome to {sitename}.
</article>
""";
And it even allows for using embedded curly braces as real characters: string json = $$"""
<h1>{{title}}</h1>
<article>
Welcome to {{sitename}}, which uses the <code>{sitename}</code> syntax.
</article>
""";
The $ (meaning to interpolate curly braces) appears twice, which switches interpolation to two curly braces, leaving the single ones untouched.
- For the AI provider it is a massive money sink due to cost/revenue maths
- For the AI consumer it's not a massive money sink if you arrange things so your ongoing costs are lower than your savings
It isn't a simple yes or no overall, only per side of the fence.