It produces best performance OOB with minimal API way of registering your endpoints. Which is expected to be the default way for many newcomers to the framework. On 5800X, hello world with some logic and cached JSON output (not raw bytes but actual response object so no cheating) produces over 4GB/sec when benchmarked over localhost on .NET 7.

Host: https://gist.github.com/neon-sunset/767cb0693c3ff222f78b236c...

HTTP Benchmark: https://gist.github.com/neon-sunset/d936e54bfec1031d1628c338...