Alright, here on New Deceptions, we use canon Bijuu, meaning the nine tails for the manga within Naruto. The Bijuu don't give a great boost in all category but boost a lot in chakra .
Nine tails
The nine tails gives +30% chakra when sealed inside someone, each tail gives +5% when untamed and +10% when tamed. 1000 words for each tail to train.
Eight tails
The eight tails gives +25% chakra when sealed inside someone, each tail gives +4% chakea when untamed and +8% when tamed