Is Keldeo viable in Gen 6 OU?

Keldeo is ranked #6 in Gen 6 OU with 18.06% usage according to Smogon Feb 2026 - Apr 2026 data.

What beats Keldeo in Gen 6 OU?

The best counter for Keldeo in Gen 6 OU is Latios with a 76.1% win rate when they meet. Based on Smogon's Feb 2026 - Apr 2026 usage data, the top Pokémon that beat Keldeo include Latios, Serperior, Thundurus, Clefable, Tornadus-Therian.

What is the best counter for Keldeo in Gen 6 OU?

Latios is the best counter for Keldeo in Gen 6 OU, KOing or forcing it out in 76.1% of their encounters.

Keldeo counters

Gen 6 OU · Sorted by reliability score · Smogon · Feb 2026 - Apr 2026

#0647 Keldeo

WaterFighting

USAGE 18.1% #6

BASE STATS

HP 91

ATK 72

DEF 90

SPA 129

SPD 90

SPE 108

BST580

TYPE MATCHUPS

2×

ElectricGrassFlyingPsychicFairy

½×

FireWaterIceBugRockDarkSteel

Moves

Secret Sword 98.8% Scald 92.2% Hydro Pump 47.2% Calm Mind 31.9% Substitute 26.0% Sleep Talk 19.2% Focus Blast 18.9% Icy Wind 14.1%

Items

Choice Specs 47.0% Leftovers 41.9% Mystic Water 4.5% Choice Scarf 3.1% Rocky Helmet 1.6% Life Orb 0.5% Black Belt 0.3% Expert Belt 0.3%

Common Teammates

Excadrill55.9%

Tornadus-Therian30.0%

Landorus-Therian26.9%

Checks & Counters

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

# Checker Encounters Reliability KO Rate

Latios

DragonPsychic OFFENSIVE CHECK

43.859

76.1% dies 9.11%

DAMAGE CALC

252+ SpA Life Orb Latios Psyshock vs. 252 HP / 0 Def Keldeo: 408-484 (105.6 - 125.3%) -- guaranteed OHKO

View Latios counters → Teams with Latios →

Serperior

Grass DEFENSIVE COUNTER

23.513

72.6% dies 9.20%

DAMAGE CALC

252+ SpA Choice Specs Keldeo Focus Blast vs. 252 HP / 252+ SpD Serperior: 238-282 (67.2 - 79.6%) -- guaranteed 2HKO

View Serperior counters → Teams with Serperior →

Thundurus

ElectricFlying OFFENSIVE CHECK

23.092

65.6% dies 9.88%

DAMAGE CALC

252+ SpA Thundurus Thunderbolt vs. 252 HP / 252+ SpD Keldeo: 242-288 (62.6 - 74.6%) -- guaranteed 2HKO

View Thundurus counters → Teams with Thundurus →

Clefable

Fairy DEFENSIVE COUNTER

62.223

60.7% dies 8.72%

DAMAGE CALC

252+ SpA Choice Specs Keldeo Hydro Pump vs. 252 HP / 252+ SpD Clefable: 228-268 (57.8 - 68%) -- guaranteed 2HKO after Leftovers recovery

View Clefable counters → Teams with Clefable →

Tornadus-Therian

Flying SOFT CHECK

71.707

51.7% dies 10.02%

DAMAGE CALC

0- SpA Tornadus-Therian Hurricane vs. 252 HP / 252+ SpD Keldeo: 180-212 (46.6 - 54.9%) -- 66% chance to 2HKO

View Tornadus-Therian counters → Teams with Tornadus-Therian →

Keldeo

WaterFighting SOFT CHECK

77.435

48.0% dies 9.81%

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 →

Chansey

Normal SOFT CHECK

21.049

32.1% dies 10.18%

DAMAGE CALC

Chansey Seismic Toss vs. 252 HP Keldeo: 100-100 (25.9 - 25.9%) -- guaranteed 4HKO

View Chansey counters → Teams with Chansey →

Scizor-Mega

BugSteel SOFT CHECK

21.728

24.1% dies 9.18%

DAMAGE CALC

252+ Atk Scizor-Mega Superpower vs. 252 HP / 0 Def Keldeo: 175-206 (45.3 - 53.3%) -- 35.5% chance to 2HKO

View Scizor-Mega counters → Teams with Scizor-Mega →

Volcanion

FireWater SOFT CHECK

20.723

22.8% dies 9.21%

DAMAGE CALC

252+ SpA Volcanion Hidden Power Grass vs. 252 HP / 252+ SpD Keldeo: 112-132 (29 - 34.1%) -- 2.5% chance to 3HKO

View Volcanion counters → Teams with Volcanion →

Weavile

DarkIce SOFT CHECK

53.748

16.6% dies 7.14%

DAMAGE CALC

252+ Atk Choice Band Weavile Knock Off (97.5 BP) vs. 252 HP / 0 Def Keldeo: 135-159 (34.9 - 41.1%) -- guaranteed 3HKO

View Weavile counters → Teams with Weavile →

Bisharp

DarkSteel SOFT CHECK

20.186

16.4% dies 8.23%

DAMAGE CALC

252+ Atk Black Glasses Bisharp Knock Off (97.5 BP) vs. 252 HP / 0 Def Keldeo: 111-132 (28.7 - 34.1%) -- 2.3% chance to 3HKO

View Bisharp counters → Teams with Bisharp →

Excadrill

GroundSteel SOFT CHECK

106.903

13.0% dies 5.56%

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 →

Landorus-Therian

GroundFlying SOFT CHECK

77.474

11.5% dies 6.14%

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 →

Gliscor

GroundFlying SOFT CHECK

25.729

9.8% dies 5.86%

DAMAGE CALC

252+ Atk Gliscor Earthquake vs. 252 HP / 0 Def Keldeo: 159-187 (41.1 - 48.4%) -- guaranteed 3HKO

View Gliscor counters → Teams with Gliscor →

Heatran

FireSteel SOFT CHECK

68.589

5.9% dies 4.70%

DAMAGE CALC

252+ SpA Heatran Earth Power vs. 252 HP / 252+ SpD Keldeo: 84-99 (21.7 - 25.6%) -- 1.5% chance to 4HKO

View Heatran counters → Teams with Heatran →

Ranked #6 with 18.06% usage. Sorted by reliability score.