Is Gyarados-Mega viable in Gen 7 OU?

Gyarados-Mega is ranked #47 in Gen 7 OU with 3.35% usage according to Smogon Apr 2026 - Jun 2026 data.

What beats Gyarados-Mega in Gen 7 OU?

The best counter for Gyarados-Mega in Gen 7 OU is Landorus-Therian with a 10.7% win rate when they meet. Based on Smogon's Apr 2026 - Jun 2026 usage data, the top Pokémon that beat Gyarados-Mega include Landorus-Therian.

What is the best counter for Gyarados-Mega in Gen 7 OU?

Landorus-Therian is the best counter for Gyarados-Mega in Gen 7 OU, KOing or forcing it out in 10.7% of their encounters.

Gyarados-Mega counters

Gen 7 OU · Sorted by reliability score · Smogon · Apr 2026 - Jun 2026

#0130 Gyarados-Mega

WaterDark

USAGE 3.3% #47

BASE STATS

HP 95

ATK 155

DEF 109

SPA 70

SPD 130

SPE 81

BST640

TYPE MATCHUPS

2×

ElectricGrassFightingBugFairy

½×

FireWaterIceGhostDarkSteel

0×

Psychic

Moves

Dragon Dance 100.0% Earthquake 83.4% Crunch 74.1% Waterfall 56.8% Substitute 41.1% Taunt 40.7% Ice Fang 2.1% Flamethrower 0.9%

Items

Gyaradosite 100.0%

Common Teammates

Landorus-Therian69.1%

Checks & Counters

Ranked by reliability — blends KO rate with how often each Pokémon is matched up.

# Checker Encounters Reliability KO Rate

Landorus-Therian

GroundFlying SOFT CHECK

81.037

10.7% dies 5.85%

DAMAGE CALC

252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Gyarados-Mega: 301-355 (76.3 - 90.1%) -- guaranteed 2HKO

View Landorus-Therian counters → Teams with Landorus-Therian →

Ranked #47 with 3.35% usage. Sorted by reliability score.