Well here's a preliminary summary table, putting this together was no small task and I need to confirm some of this info.
But so far it's looking like Roland has cornered the market for reasonably priced portable keyboards with hands-free chord sequencing.

That said, any of these boards can be described as a software product with a user-interface consisting of knobs, dials, buttons and 61 keys.
And when AI becomes included in these instruments the capabilities will surely skyrocket.

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BiaB 2025 Windows
For me there’s no better place in the band than to have one leg in the harmony world and the other in the percussive. Thank you Paul Tutmarc and Leo Fender.