Is Gyarados-Mega viable in Gen 7 OU?

Gyarados-Mega is ranked #52 in Gen 7 OU with 3.08% usage according to Smogon Feb 2026 - Apr 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 12.2% win rate when they meet. Based on Smogon's Feb 2026 - Apr 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 12.2% of their encounters.

Gyarados-Mega counters

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

#0130 Gyarados-Mega

WaterDark

USAGE 3.1% #52

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% Crunch 76.0% Earthquake 75.1% Waterfall 63.7% Substitute 48.4% Taunt 32.3% Ice Fang 2.6% Iron Tail 1.3%

Items

Gyaradosite 100.0%

Common Teammates

Magearna76.8%

Landorus-Therian70.1%

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

49.822

12.2% dies 6.54%

DAMAGE CALC

252+ Atk Landorus-Therian Earthquake vs. 252 HP / 0 Def Gyarados-Mega: 181-214 (45.9 - 54.3%) -- 53.1% chance to 2HKO

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

Ranked #52 with 3.08% usage. Sorted by reliability score.