They move four points behind Manchester United at the top of the table with a game in hand over their rivals.
Phil Foden’s precise strike just before half-time was enough for Pep Guardiola’s men, who lacked their usual clinical edge in front of goal.
FULL TIME | Phil's goal is enough to earn us all three points! 💪
— Manchester City (@ManCity) January 13, 2021
Raheem Sterling epitomised their struggles with a late miss from the penalty spot, although the Seagulls were unable to punish the home side.
The win sees City extend their unbeaten Premier League run.
— Premier League (@premierleague) January 13, 2021
Manchester City are next in action in the Premier League on Sunday at home to Crystal Palace while Brighton will face Leeds United in their next outing on the road on Saturday.