head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

Execution · Light / Casual
Wordless watercolor platformer about grief, designed never to punish you.

Optimization · Light / Casual
A serene open-world exploration about a coming-of-age desert pilgrimage.
Gris leans Execution (Light / Casual); Sable leans Optimization (Light / Casual).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Gris
Gentle platforming with no fail state
Sable
Gliding and climbing are gentle.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Gris
No opposition at all
Sable
No adversaries.
Sable leans a little harder on variance, though the gap is small.
Gris
Linear and fully authored
Sable
Open-world discoveries vary little.
Sable leans a little harder on optimization, though the gap is small.
Gris
Light environmental puzzles with obvious solutions
Sable
Quest routing has shallow optimization.
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.