Stockfish 15 vs Mittens, 30 move analysis 5 lines analyzed by Stockfish NNUE. Stockfish 15 (3200) won as white.
what is mittens actual rating

mittens rating is probably over 3200 and under 3800
3800 is higher than stockfish 15.1.

Chess.com screwed up in their CCC and accidentally revealed mittens rating- for a brief time before mods fixed it after I pointed it out in chat, if you clicked on the mittens bot the description gave you Mittens real rating.
It's 3500.

Mittens is probably even over 3300 rating, because Hikaru was able to only draw it and only stockfish and Alfazero are beating it.
i think you can also find the rating on this apge, under the standings tab thing
https://www.chess.com/computer-chess-championship#event=m3gan-vs-mittens
its apparently 3500
The ratings of Mittens has been changing and I don't know when Chess.com will settle for a final rating. That's why top GMs have had trouble where much lower rated players have beat Mittens.

I'm just starting out playing Chess.com and thought Mittens was a beginner level. After losing 5 games in a row, I thought I forgot how to play. Thanks for posting Mittens high strength. I feel better now. (=^-^=) Good job Mittens. P.S. Just got a book at Barnes and Noble about Alpha Zero. Amazing how they programmed the Alpha Zero Engine to teach itself. Beat Stockfish.
Game Changer: Alpha Zero's Groundbreaking Chess Strategies and the Promise of AI
I don't know I think mitten's actual rating is 3000-3200