Contradiction with Matthew 26:47
In Matthew 26:47, the multitude is mentioned as a great multitude but does not specifically reference lanterns and torches which are noted in John 18:3.
Matthew 26:47: Now he that betrayed him gave them a sign, saying, Whomsoever I shall kiss, that same is he: hold him fast.
Contradiction with Mark 14:43
Mark 14:43 describes Judas with a great multitude with swords and clubs, but like Matthew, does not include the detail about lanterns and torches found in John 18:3.
Mark 14:43: And immediately, while he yet spake, cometh Judas, one of the twelve, and with him a great multitude with swords and staves, from the chief priests and the scribes and the elders.
Contradiction with Luke 22:47
Luke 22:47 mentions Judas and a multitude, but again omits the specific details about lanterns and torches mentioned in John 18:3.
Luke 22:47: And while he yet spake, behold a multitude, and he that was called Judas, one of the twelve, went before them, and drew near unto Jesus to kiss him.