Is Keldeo viable in Gen 5 OU?

Keldeo is ranked #10 in Gen 5 OU with 19.42% usage according to Smogon Feb 2026 - Apr 2026 data.

What beats Keldeo in Gen 5 OU?

The best counter for Keldeo in Gen 5 OU is Dragonite with a 84.8% win rate when they meet. Based on Smogon's Feb 2026 - Apr 2026 usage data, the top Pokémon that beat Keldeo include Dragonite, Alakazam, Latios, Starmie, Latias.

What is the best counter for Keldeo in Gen 5 OU?

Dragonite is the best counter for Keldeo in Gen 5 OU, KOing or forcing it out in 84.8% of their encounters.

Keldeo counters

Gen 5 OU · Sorted by reliability score · Smogon · Feb 2026 - Apr 2026

#0647 Keldeo

WaterFighting

USAGE 19.4% #10

BASE STATS

HP 91

ATK 72

DEF 90

SPA 129

SPD 90

SPE 108

BST580

TYPE MATCHUPS

2×

ElectricGrassFlyingPsychicFairy

½×

FireWaterIceBugRockDarkSteel

Moves

Secret Sword 98.3% Hydro Pump 58.4% Surf 50.1% Scald 41.1% Hidden Power Ghost 37.9% Calm Mind 25.2% Hidden Power Ice 22.7% Hidden Power Grass 16.7%

Items

Choice Specs 38.4% Leftovers 31.0% Choice Scarf 17.5% Salac Berry 5.0% Expert Belt 3.6% Payapa Berry 1.5% Mystic Water 1.1% Life Orb 0.9%

Common Teammates

Ferrothorn70.0%

Politoed57.4%

Thundurus-Therian50.5%

Latios40.1%

Landorus-Therian40.1%

Tyranitar30.4%

Starmie28.2%

Tentacruel22.9%

Checks & Counters

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

# Checker Encounters Reliability KO Rate

Dragonite

DragonFlying OFFENSIVE CHECK

20.724

84.8% dies 7.88%

DAMAGE CALC

252+ Atk Dragonite Outrage vs. 252 HP / 0 Def Keldeo: 241-285 (62.4 - 73.8%) -- guaranteed 2HKO

View Dragonite counters → Teams with Dragonite →

Alakazam

Psychic OFFENSIVE CHECK

60.02

78.8% dies 7.22%

DAMAGE CALC

252+ SpA Alakazam Psyshock vs. 252 HP / 0 Def Keldeo: 324-384 (83.9 - 99.4%) -- guaranteed 2HKO

View Alakazam counters → Teams with Alakazam →

Latios

DragonPsychic OFFENSIVE CHECK

146.259

66.4% dies 6.75%

DAMAGE CALC

252+ SpA Choice Specs Latios Psyshock vs. 252 HP / 0 Def Keldeo: 470-554 (121.7 - 143.5%) -- guaranteed OHKO

View Latios counters → Teams with Latios →

Starmie

WaterPsychic OFFENSIVE CHECK

64.345

63.8% dies 8.46%

DAMAGE CALC

0- SpA Starmie Psychic vs. 252 HP / 252+ SpD Keldeo: 134-162 (34.7 - 41.9%) -- guaranteed 3HKO

View Starmie counters → Teams with Starmie →

Latias

DragonPsychic DEFENSIVE COUNTER

23.619

61.6% dies 10.01%

DAMAGE CALC

252+ SpA Choice Specs Keldeo Hidden Power Ghost vs. 252 HP / 252+ SpD Latias: 150-178 (41.2 - 48.9%) -- guaranteed 3HKO

View Latias counters → Teams with Latias →

Keldeo

WaterFighting SOFT CHECK

26.693

49.1% dies 9.68%

DAMAGE CALC

252+ SpA Choice Specs Keldeo Secret Sword vs. 252 HP / 0 Def Keldeo: 249-294 (64.5 - 76.1%) -- guaranteed 2HKO

View Keldeo counters → Teams with Keldeo →

Terrakion

RockFighting SOFT CHECK

21.052

37.9% dies 10.57%

DAMAGE CALC

252+ Atk Life Orb Terrakion Close Combat vs. 252 HP / 0 Def Keldeo: 304-359 (78.7 - 93%) -- guaranteed 2HKO

View Terrakion counters → Teams with Terrakion →

Ferrothorn

GrassSteel SOFT CHECK

60.772

25.8% dies 7.84%

DAMAGE CALC

252+ Atk Ferrothorn Power Whip vs. 252 HP / 0 Def Keldeo: 378-446 (97.9 - 115.5%) -- 87.5% chance to OHKO

View Ferrothorn counters → Teams with Ferrothorn →

Rotom-Wash

ElectricWater SOFT CHECK

23.171

22.5% dies 8.68%

DAMAGE CALC

252+ SpA Rotom-Wash Volt Switch vs. 252 HP / 252+ SpD Keldeo: 168-200 (43.5 - 51.8%) -- 11.3% chance to 2HKO

View Rotom-Wash counters → Teams with Rotom-Wash →

Landorus-Therian

GroundFlying SOFT CHECK

92.498

20.6% dies 5.92%

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 →

Excadrill

GroundSteel SOFT CHECK

52.954

20.5% dies 7.79%

DAMAGE CALC

252+ Atk Excadrill Earthquake vs. 252 HP / 0 Def Keldeo: 202-238 (52.3 - 61.6%) -- guaranteed 2HKO

View Excadrill counters → Teams with Excadrill →

Tyranitar

RockDark SOFT CHECK

64.901

6.6% dies 4.32%

DAMAGE CALCSand

252+ Atk Tyranitar Superpower vs. 252 HP / 0 Def Keldeo: 161-190 (41.7 - 49.2%) -- 83.6% chance to 2HKO after sandstorm damage

View Tyranitar counters → Teams with Tyranitar →

Ranked #10 with 19.42% usage. Sorted by reliability score.