DSL is just AntiX with a curated list of software in a CD image. Just go with AntiX if you want to go that route.
Another option to consider is Q4OS Trinity. Trinity is essentially the KDE 3 desktop which is still surprisingly good and very light on resources.
All of these, including MX Linux, are Debian based and have access to the full Debian repos.
A potential issue with all these Debian based distros though is that Debian itself has moved away from 32 bit in Debian 13. It is hard to say how long these others will stay the course.
Adelie Linux is another one people forget about and certainly worth giving a spin. It is not Debian based.
Tiny Core will be the “fastest” as it runs out of RAM but of course that leaves you even less RAM for other things (like a browser). So it depends on your use case.
Are you sure CachyOS has 32 bit support?
I made the same recommendation. Sadly the “latest” version in 64 bit only. Unsurprising as it is Debian based.
The older release is still available and still supported though. It would be a great option though the clock is ticking on it of course.
The most “batteries included” distro that is I can think of that is not Debian based is Adelie.