Ran the same test, same server (Ubuntu 22.04 + 32 thread 7950X + Gen 4 NVME + 64GB DDR5) -- nearly zero difference sqliterg vs ws4sqlite.
sqliterg (CURL)
20,000 / 2,500 / 237
For those wondering about write performance...its poor except for direct SQLite. If you're write heavy, look elsewhere, or use SQLite directly (preferably with multiple databases and WAL2).
INSERT INTO users (id) VALUES (..); per second ( 1x / 10x / 100x )