I would say bad idea. Putting a betta with anything that is aggressive or a fin nipper can and often does end in disaster.
Bettas - TOTAL COUNT - 18
Thoth, The Red VT twins - Fred and George, Motoko. As well as Bloodmoon and SilverKnight, Zypher, Bobber, Quetzalcoatl, Tsuruko, Shinobu, Mistume, and Su. Introducing, The Duke. 4 unnamed.
RIP- All those loved and lost. Forever Missed.
I now add the name of Prince Poppycock to the list. forever loved and forever missed.