Earlier this year, I published a tongue-in-cheek blog post titled OpenJDK is faster than GraalVM Java* that benchmarked exactly one thing: the runtime of java -version (which was important for my execjar project). I expected a few laughs, which I got, e.g., from Thomas Wuerthinger, the GraalVM creator, on X, but not that Google AI would eventually treat it as one of the authoritative answers to “GraalVM vs OpenJDK”.

I didn’t think much of this blog post until a colleague told me today that I poisoned the AI with the question of whether OpenJDK is faster than GraalVM. So I had to check:

So Google AI’s overview treats my piece of educated humor as the authoritative source. This blog post is furthermore the first search result on this topic. Same with queries like “is OpenJDK better than GraalVM,” and it gets even more interesting when you google “compare OpenJDK to GraalVM,” the first hit is again this blog post: