The Bible is clear that there is only one God, and that this God is the God of Israel. Other gods are either false gods or are subordinate to the one true God. This is seen throughout the Bible, from the Old Testament to the New Testament. In the Old Testament, God repeatedly tells the people of Israel that they are to have no other gods before Him. In the New Testament, Jesus Christ makes it clear that He is the only way to the Father, and that there is no other way to know God. This is in contrast to the many false gods that people worship.
There are some similarities between Christianity and other religions, but there are also many differences. Christianity teaches that there is only one God, who is perfect and holy. Other religions often teach that there are many gods, or that there is no God at all. Christianity also teaches that Jesus Christ is the only way to know God and to be saved from sin. Other religions do not teach this.