Buddha himself did not claim to be a god, and he said very little about God. The texts of Confucianism are an amalgam of records of events, moral rules, magical formulas, and songs.
وَتَجْدُرُ ٱلْإِشَارَةُ أَنَّ بُوذَا لَمْ يَدَّعِ قَطُّ أَنَّهُ إِلهٌ وَلَا يَذْكُرُ إِلَّا ٱلْقَلِيلَ عَنِ ٱللهِ .‏