Is Keldeo viable in Gen 7 OU?

Keldeo is ranked #53 in Gen 7 OU with 2.80% usage according to Smogon Apr 2026 - Jun 2026 data.

What beats Keldeo in Gen 7 OU?

The best counter for Keldeo in Gen 7 OU is Tapu Koko with a 64.7% win rate when they meet. Based on Smogon's Apr 2026 - Jun 2026 usage data, the top Pokémon that beat Keldeo include Tapu Koko, Toxapex, Magearna, Greninja, Landorus-Therian.

What is the best counter for Keldeo in Gen 7 OU?

Tapu Koko is the best counter for Keldeo in Gen 7 OU, KOing or forcing it out in 64.7% of their encounters.

Keldeo counters

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

#0647 Keldeo

WaterFighting

USAGE 2.8% #53

BASE STATS

HP 91

ATK 72

DEF 90

SPA 129

SPD 90

SPE 108

BST580

TYPE MATCHUPS

2×

ElectricGrassFlyingPsychicFairy

½×

FireWaterIceBugRockDarkSteel

Moves

Secret Sword 98.9% Scald 65.4% Calm Mind 58.8% Substitute 48.4% Hydro Pump 33.8% Surf 19.5% Taunt 17.2% Hidden Power Electric 15.3%

Items

Leftovers 46.1% Waterium Z 19.4% Choice Scarf 18.9% Choice Specs 15.1% Life Orb 0.4% Fightinium Z 0.0% nothing 0.0% Normalium Z 0.0%

Common Teammates

Landorus-Therian52.7%

Tornadus-Therian18.9%

Excadrill18.4%

Checks & Counters

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

# Checker Encounters Reliability KO Rate

Tapu Koko

ElectricFairy OFFENSIVE CHECK

27.249

64.7% dies 9.16%

DAMAGE CALCElectric Terrain

252+ SpA Life Orb Tapu Koko Thunderbolt vs. 252 HP / 252+ SpD Keldeo in Electric Terrain: 393-463 (101.8 - 119.9%) -- guaranteed OHKO

View Tapu Koko counters → Teams with Tapu Koko →

Toxapex

PoisonWater SOFT CHECK

27.003

47.1% dies 9.61%

DAMAGE CALC

252+ SpA Toxapex Scald vs. 252 HP / 252+ SpD Keldeo: 32-38 (8.2 - 9.8%)

View Toxapex counters → Teams with Toxapex →

Magearna

SteelFairy SOFT CHECK

54.31

42.9% dies 9.42%

DAMAGE CALC

252+ SpA Magearna Fleur Cannon vs. 252 HP / 252+ SpD Keldeo: 360-426 (93.2 - 110.3%) -- 62.5% chance to OHKO

View Magearna counters → Teams with Magearna →

Greninja

WaterDark SOFT CHECK

52.457

23.6% dies 8.21%

DAMAGE CALC

252+ SpA Choice Specs Greninja Hydro Pump vs. 252 HP / 252+ SpD Keldeo: 97-114 (25.1 - 29.5%) -- guaranteed 5HKO after Leftovers recovery

View Greninja counters → Teams with Greninja →

Landorus-Therian

GroundFlying SOFT CHECK

61.063

7.9% dies 4.87%

DAMAGE CALC

252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Keldeo: 354-417 (91.7 - 108%) -- 50% chance to OHKO

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

Ranked #53 with 2.80% usage. Sorted by reliability score.