Avowed is more like an answer to BG3 since Obsidian and Larian are in similar lanes for game production and the last two Larian games both came out before Pillars 2 and now Avowed. Josh Sawyer has talked about Divinity OS2s success had a big influence on Pillars 2 development because it set a new bar for player expectations.
https://www.reddit.com/r/avowed/comments/1dittst/how_close_will_avowed_really_be_to_obsidians/