Perez has underperformed at Red Bull this year, with his seat under threat prior to the summer break earlier this year.
The Mexican star's inconsistent results have allowed McLaren to usurp the team in the constructors' championship, however Red Bull decided to retain faith in Perez and have kept him for the rest of the season.
Daniel Ricciardo also underperformed this year, and was axed from Visa Cash App RB following the Singapore GP in favour of Liam Lawson.
Lawson will not only replace Ricciardo, but will also be measured against team-mate Yuki Tsunoda, as Red Bull assess their options for the main team.
“Tsunoda is a candidate to drive alongside Max in 2025,” Red Bull chief Helmut Marko said to F1-Insider.
“The remaining races of this season will decide what our driver pairings will look like for next year.
“I can very well imagine that a junior driver will drive alongside Max.
“We decided to compare Lawson and Tsunoda. They have the same material, the same conditions and each now has six races to prove that he is the better one.”
Lawson has recently been spotted driving the RB20 ahead of his second debut at the United States Grand Prix, where he took to the track in a Pirelli 2025 tyre test.
The New Zealander took part in the test at Tuscan track, the Mugello Circuit, where Lawson set the second-best time of 1:23.219s just behind Lando Norris but faster than the Ferrariof Charles Leclerc.