The Allegro A4988 on a Pololu-like stepper driver breakout board performed the best, both unloaded and under load. Even though it only delivers 1 A per phase, it achieved very linear, equally ...
Adjust the phase current, crank up the microstepping, and forget about it — that’s what most people want out of a stepper motor ... inferior to the common A4988 and DRV8825.