Do you think that, in practice, Baha'is disagree openly with their leaders more than Muslims do,
I feel certain of that, although I will not place any bets on how large the extent of the difference is.
If nothing else, Bahais do not have a claim that capital punishment befits apostasy. Even "convenant breaking" can hardly lead to anything that severe.
or that that they have more freedom to try to reform their religion in ways contrary to the interests of their supreme leaders?
You probably
have such an advantage, although that feels less certain and less decisive. Word reached me that this is a thorny subject matter for Bahais.
Even so, there is simply less room for violent extremism in your scriptures.
If so, what are your reasons for thinking that? Acknowledgement that there are changes in relevance of the message of their prophet, or his authorized interpreters? Where do you see any Baha'i leaders or institutions acknowledging that
Isn't that the core of the doctrine of progressive revelation? Or, at least, a fairly automatic extrapolation from it?
Progressive revelation (Bahá'í) - Wikipedia
Apart from that, the view that all the words of the Quran are the words of God is explicit in their scriptures, that has never been questioned by any Baha'is, and I don't see any reason for anyone to think that it ever will be questioned.
That is however far less central to Bahais than it is for Muslims. And I don't think it has to have much in the way of practical consequence, either.
Bahais also claim Buddhism and Hinduism to be revelations from Messengers of God, after all, despite direct incompatibilities with those very doctrines.
