Is Keldeo viable in Gen 5 OU?

Keldeo is ranked #9 in Gen 5 OU with 21.34% usage according to Smogon Apr 2026 - Jun 2026 data.

What beats Keldeo in Gen 5 OU?

The best counter for Keldeo in Gen 5 OU is Alakazam with a 86.5% win rate when they meet. Based on Smogon's Apr 2026 - Jun 2026 usage data, the top Pokémon that beat Keldeo include Alakazam, Dragonite, Latios, Starmie, Keldeo.

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

Alakazam is the best counter for Keldeo in Gen 5 OU, KOing or forcing it out in 86.5% of their encounters.

Keldeo counters

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

#0647 Keldeo

WaterFighting

USAGE 21.3% #9

BASE STATS

HP 91

ATK 72

DEF 90

SPA 129

SPD 90

SPE 108

BST580

TYPE MATCHUPS

2×

ElectricGrassFlyingPsychicFairy

½×

FireWaterIceBugRockDarkSteel

Moves

Secret Sword 99.9% Hydro Pump 63.1% Surf 48.8% Hidden Power Ghost 46.8% Scald 36.7% Hidden Power Ice 22.6% Calm Mind 20.6% Hidden Power Grass 13.6%

Items

Choice Specs 48.4% Leftovers 26.3% Choice Scarf 14.3% Expert Belt 4.0% Salac Berry 3.8% Payapa Berry 1.0% Mystic Water 0.8% Life Orb 0.4%

Common Teammates

Ferrothorn73.4%

Politoed59.7%

Thundurus-Therian54.2%

Latios48.5%

Landorus-Therian33.4%

Tyranitar29.9%

Starmie28.7%

Tentacruel27.5%

Browse Gen 5 OU teams using Keldeo →

Teams using Alakazam 87% Teams using Dragonite 85% Teams using Latios 68% Teams using Starmie 60% Teams using Keldeo 48% Teams using Politoed 38%

Checks & Counters

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

# Checker Encounters Reliability KO Rate

Alakazam

Psychic OFFENSIVE CHECK

54.243

86.5% dies 6.55%

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 →

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 →

Latios

DragonPsychic OFFENSIVE CHECK

181.973

68.3% dies 5.92%

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

91.021

59.9% dies 8.71%

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 →

Keldeo

WaterFighting SOFT CHECK

26.652

48.2% 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 →

Politoed

Water SOFT CHECK

20.873

38.4% dies 10.64%

DAMAGE CALCRain

252+ SpA Politoed Hidden Power Grass vs. 252 HP / 252+ SpD Keldeo: 102-120 (26.4 - 31%) -- guaranteed 4HKO

View Politoed counters → Teams with Politoed →

Thundurus-Therian

ElectricFlying SOFT CHECK

32.707

38.3% dies 8.50%

DAMAGE CALC

252+ SpA Thundurus-Therian Thunder vs. 252 HP / 252+ SpD Keldeo: 360-426 (93.2 - 110.3%) -- 62.5% chance to OHKO

View Thundurus-Therian counters → Teams with Thundurus-Therian →

Ferrothorn

GrassSteel SOFT CHECK

71.614

25.8% dies 7.18%

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

23.429

25.7% dies 9.03%

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 →

Jirachi

SteelPsychic SOFT CHECK

24.973

23.1% dies 8.43%

DAMAGE CALC

0- SpA Jirachi Thunder vs. 252 HP / 252+ SpD Keldeo: 120-142 (31 - 36.7%) -- 70.3% chance to 3HKO

View Jirachi counters → Teams with Jirachi →

Landorus-Therian

GroundFlying SOFT CHECK

112.469

22.1% dies 6.32%

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

43.581

20.8% dies 8.68%

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

49.624

8.5% dies 5.52%

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 #9 with 21.34% usage. Sorted by reliability score.