Is Kommo-o viable in Gen 7 OU?

Kommo-o is ranked #33 in Gen 7 OU with 6.36% usage according to Smogon Feb 2026 - Apr 2026 data.

What beats Kommo-o in Gen 7 OU?

The best counter for Kommo-o in Gen 7 OU is Medicham-Mega with a 84.8% win rate when they meet. Based on Smogon's Feb 2026 - Apr 2026 usage data, the top Pokémon that beat Kommo-o include Medicham-Mega, Tapu Fini, Magearna, Toxapex, Tornadus-Therian.

What is the best counter for Kommo-o in Gen 7 OU?

Medicham-Mega is the best counter for Kommo-o in Gen 7 OU, KOing or forcing it out in 84.8% of their encounters.

Kommo-o counters

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

#0784 Kommo-o

DragonFighting

USAGE 6.4% #33

ABILITYBulletproof

BASE STATS

HP 75

ATK 110

DEF 125

SPA 100

SPD 105

SPE 85

BST600

TYPE MATCHUPS

4×

Fairy

2×

IceFlyingPsychicDragon

½×

FireWaterElectricGrassBugRockDark

Moves

Close Combat 67.4% Clanging Scales 44.4% Stealth Rock 40.6% Dragon Dance 36.8% Flamethrower 31.4% Drain Punch 30.2% Ice Punch 24.3% Earthquake 20.0%

Items

Kommonium Z 44.2% Leftovers 23.9% Groundium Z 18.0% Salac Berry 6.0% Dragonium Z 2.6% Electrium Z 2.3% Life Orb 1.9% Poisonium Z 0.3%

Abilities

Bulletproof88.1%Soundproof7.7%Overcoat4.2%

Common Teammates

Magearna66.1%

Landorus-Therian61.9%

Checks & Counters

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

# Checker Encounters Reliability KO Rate

Medicham-Mega

FightingPsychic OFFENSIVE CHECK

20.25

84.8% dies 7.97%

DAMAGE CALC

252+ Atk Pure Power Medicham-Mega Zen Headbutt vs. 252 HP / 0 Def Kommo-o: 396-468 (111.8 - 132.2%) -- guaranteed OHKO

View Medicham-Mega counters → Teams with Medicham-Mega →

Tapu Fini

WaterFairy DEFENSIVE COUNTER

31.463

77.3% dies 7.47%

DAMAGE CALCMisty Terrain

252+ Atk Kommo-o Earthquake vs. 252 HP / 252+ Def Tapu Fini: 70-83 (20.3 - 24.1%) -- possible 6HKO

View Tapu Fini counters → Teams with Tapu Fini →

Magearna

SteelFairy SOFT CHECK

91.204

52.3% dies 9.03%

DAMAGE CALC

252+ SpA Magearna Fleur Cannon vs. 252 HP / 252+ SpD Kommo-o: 648-768 (183 - 216.9%) -- guaranteed OHKO

View Magearna counters → Teams with Magearna →

Toxapex

PoisonWater SOFT CHECK

31.523

50.7% dies 8.90%

DAMAGE CALC

252+ SpA Toxapex Scald vs. 252 HP / 252+ SpD Kommo-o: 29-34 (8.1 - 9.6%)

View Toxapex counters → Teams with Toxapex →

Tornadus-Therian

Flying SOFT CHECK

20.617

47.0% dies 10.99%

DAMAGE CALC

252+ SpA Tornadus-Therian Hurricane vs. 252 HP / 252+ SpD Kommo-o: 246-290 (69.4 - 81.9%) -- guaranteed 2HKO

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

Tapu Koko

ElectricFairy SOFT CHECK

52.556

43.1% dies 9.33%

DAMAGE CALCElectric Terrain

252+ SpA Life Orb Tapu Koko Dazzling Gleam vs. 252 HP / 252+ SpD Kommo-o: 421-499 (118.9 - 140.9%) -- guaranteed OHKO

View Tapu Koko counters → Teams with Tapu Koko →

Kartana

GrassSteel SOFT CHECK

45.696

31.3% dies 9.69%

DAMAGE CALC

252+ Atk Kartana Smart Strike vs. 252 HP / 0 Def Kommo-o: 135-159 (38.1 - 44.9%) -- guaranteed 3HKO

View Kartana counters → Teams with Kartana →

Skarmory

SteelFlying SOFT CHECK

20.973

30.6% dies 10.06%

DAMAGE CALC

252+ Atk Skarmory Brave Bird vs. 252 HP / 0 Def Kommo-o: 258-306 (72.8 - 86.4%) -- guaranteed 2HKO

View Skarmory counters → Teams with Skarmory →

Greninja

WaterDark SOFT CHECK

80.657

29.1% dies 8.73%

DAMAGE CALC

252+ SpA Choice Specs Greninja Ice Beam vs. 252 HP / 252+ SpD Kommo-o: 192-226 (54.2 - 63.8%) -- guaranteed 2HKO

View Greninja counters → Teams with Greninja →

Landorus-Therian

GroundFlying SOFT CHECK

103.681

22.6% dies 7.09%

DAMAGE CALC

252+ Atk Landorus-Therian Earthquake vs. 252 HP / 0 Def Kommo-o: 160-190 (45.1 - 53.6%) -- 39.8% chance to 2HKO

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

Chansey

Normal SOFT CHECK

65.157

9.5% dies 5.13%

DAMAGE CALC

Chansey Seismic Toss vs. 252 HP Kommo-o: 100-100 (28.2 - 28.2%) -- guaranteed 4HKO

View Chansey counters → Teams with Chansey →

Ferrothorn

GrassSteel SOFT CHECK

35.697

7.2% dies 4.31%

DAMAGE CALC

252+ Atk Ferrothorn Power Whip vs. 252 HP / 0 Def Kommo-o: 72-84 (20.3 - 23.7%) -- guaranteed 5HKO

View Ferrothorn counters → Teams with Ferrothorn →

Heatran

FireSteel SOFT CHECK

83.28

6.5% dies 4.67%

DAMAGE CALC

252+ SpA Heatran Earth Power vs. 252 HP / 252+ SpD Kommo-o: 75-89 (21.1 - 25.1%) -- 0.1% chance to 4HKO

View Heatran counters → Teams with Heatran →

Ranked #33 with 6.36% usage. Sorted by reliability score.