head to head
Guilty Gear StrivevsKiller Instinct (2013)
Guilty Gear Strive leans Execution (Grand Arena); Killer Instinct (2013) leans Execution (Grand Arena).
Guilty Gear StriveKiller Instinct (2013)
Axis by axis
Execution9 vs 9
Even - both lean on execution about the same.
Reads9 vs 9
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization6 vs 7
Killer Instinct (2013) leans harder on optimization: Instinct activation timing and optimal opener routes are well-studied
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

