Jude praises God as the one “who is able to keep you from stumbling” Jude 1:24. He adds that God can “present you blameless before the presence of his glory with great joy” Jude 1:24.
In Jude 24–25 the writer closes with direct praise to God. God is described as strong enough to protect the community from falling and able to bring them safely into his own glorious presence with joy. These verses are the letter’s final turn from warning and instruction to worship.
Jude ends with direct praise to God. The text’s explicit claims are about God’s ability and God’s worth: God is able to keep the community from stumbling, and able to present the readers as faultless in God’s own glorious presence with “great joy” (verse 24).
A careful answer keeps the immediate passage, the book's argument, and the whole-Bible storyline together, so the question is answered in context instead of as a detached idea.
Start with Jude 1:24, then read the surrounding section so the answer stays connected to the passage's flow.
24Now to him who is able to keep them from stumbling, and to present you faultless before the presence of his glory in great joy,