Python vs Jin Kazama: who would win?

Python favored — Slight edge (~55%)

Python · Percy Jackson · Base

Tier

HIGH 6-A, up to HIGH 4-C

Attack Potency

Multi-Continent Level, up to Large Star Level

Speed

Massively Hypersonic+, up to Speed Of Light

Durability

Multi-Continent Level, up to Large Star Level

Jin Kazama · Tekken · Devil Jin

Tier

HIGH 6-A

Attack Potency

Multi-Continent Level

Speed

Supersonic, up to Relativistic

Durability

Multi-Continent Level

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.