Is Gyarados viable in Gen 7 OU?

Gyarados is ranked #60 in Gen 7 OU with 1.94% usage according to Smogon May 2026 - Jul 2026 data.

What beats Gyarados in Gen 7 OU?

Landorus-Therian has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 14.7% of 41.05301202097431 relevant encounters. Standard error is 5.5 points. Sets and switch conditions can change the result.

How are Gyarados matchup checks ranked in Gen 7 OU?

They are ranked by p minus four standard errors. Here, p is the observed fraction of relevant encounters where Gyarados was knocked out or switched out. This is not a set-specific battle guarantee.

Gyarados counters

Gen 7 OU · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0130 Gyarados

WaterFlying

USAGE 1.9% #60

ABILITYMoxie

BASE STATS

HP 95

ATK 125

DEF 79

SPA 60

SPD 100

SPE 81

BST540

TYPE MATCHUPS

4×

Electric

2×

Rock

½×

FireWaterFightingBugSteel

0×

Ground

Moves

Dragon Dance 99.7% Waterfall 99.6% Bounce 98.1% Substitute 45.3% Taunt 38.5% Earthquake 16.0% Stone Edge 1.3% Aqua Tail 0.2%

Items

Flyinium Z 97.2% Waterium Z 1.8% Leftovers 0.5% Normalium Z 0.2% Power Herb 0.2% Assault Vest 0.1% Rawst Berry 0.0% Rocky Helmet 0.0%

Abilities

Moxie90.0%Intimidate10.0%

Common Teammates

Magearna64.7%

Landorus-Therian54.6%

Browse Gen 7 OU teams using Gyarados →

Explore Gyarados + Landorus-Therian teams -7 score Explore Gyarados + Toxapex teams -16 score

Leading observed checks

Open a matchup for a separate set-based damage estimate, or browse uploaded teams with both Pokémon.

Team core to explore

Gyarados + Magearna 64.7% teammate usage Explore teams →

Checks & Counters

Observed target KO or switch rate is upstream p: the fraction of relevant encounters where the target was knocked out or switched out. Standard error is upstream d. The conservative score is p − 4d. These ladder observations do not prove a set-specific counter.

How to read this table

Use encounter count and standard error to judge the sample. Damage estimates below use inferred sets and remain separate from the observed ladder metric.

# Checker Encounters Conservative score Target KO or switch rate

Landorus-Therian

GroundFlying SOFT CHECK View matchup

41.053

-7.4

14.7% Standard error 5.53 points

DAMAGE CALC

252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Gyarados: 394-464 (100 - 117.7%) -- guaranteed OHKO

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

Toxapex

PoisonWater SOFT CHECK View matchup

20.739

-16.4

14.5% Standard error 7.74 points

DAMAGE CALC

0- Atk Toxapex Knock Off vs. 252 HP / 0 Def Gyarados: 35-42 (8.8 - 10.6%)

View Toxapex counters → Teams with Toxapex →

Ranked #60 with 1.94% usage. Sorted by conservative score.