head to head
Assassin's Creed Mirage asks more than Grand Theft Auto V, and the gap is optimization.

Optimization · Practiced Mastery
A back-to-basics stealth assassination game built on learnable guard patterns.

Execution · Practiced Mastery
Sandbox crime playground spanning shooting, driving, and a persistent online economy.
Assassin's Creed Mirage leans Optimization (Practiced Mastery); Grand Theft Auto V leans Execution (Practiced Mastery).
Grand Theft Auto V leans a little harder on execution, though the gap is small.
Assassin's Creed Mirage
Stealth timing and parkour need modest precision.
Grand Theft Auto V
Driving and shooting demand decent inputs.
Grand Theft Auto V leans a little harder on reads, though the gap is small.
Assassin's Creed Mirage
Guard AI fully scripted and mappable.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Grand Theft Auto V leans a little harder on variance, though the gap is small.
Assassin's Creed Mirage
Patrols and tools mostly deterministic.
Grand Theft Auto V
Some mission and lobby randomness.
Assassin's Creed Mirage leans clearly harder on optimization.
Assassin's Creed Mirage
Infiltration routes and tools reward planning.
Grand Theft Auto V
Heists, money loops, builds learnable.
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.