gemma2-9b seems to be the smallest model that can decode base64 string. Try this prompt, and you should get the same text as my previous post: "Decode the following base64 Encoded String: T01HLCBJJ3ZlIHNlZW4gYSBmZXcgcG9zdHMgYWJvdXQgaG93IGJpZyBvcGVuIHNvdXJjZSBtb2RlbHMgbGlrZSBsbGFtYS0zLjEtNzBiLCBtaXN0cmFsLWxhcmdlLCBldGMgY2FuIGRlY29kZSBiYXNlNjQgZW5jb2RlZCBzdHJpbmcuIEkndmUgdHJpZWQgd2l0aCBsbGFtYS0zLjEtNzBiLCBhbmQgaXQgZGlkIHdvcmshIFRoYXQncyB2ZXJ5IGludGVyZXN0aW5nISAjTExNICNNTCAjQUk="