Is Jolteon viable in Gen 1 OU?

Jolteon is ranked #12 in Gen 1 OU with 8.44% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Jolteon in Gen 1 OU?

Rhydon has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 95.5% of 24.60142315234214 relevant encounters. Standard error is 4.2 points. Sets and switch conditions can change the result.

How are Jolteon matchup checks ranked in Gen 1 OU?

They are ranked by p minus four standard errors. Here, p is the observed fraction of relevant encounters where Jolteon was knocked out or switched out. This is not a set-specific battle guarantee.

Jolteon counters

Gen 1 OU · Smogon source period Jul 2026 - Sep 2026

#0135 Jolteon

Electric

USAGE 8.4% #12

ABILITYNo Ability

BASE STATS

HP 65

ATK 65

DEF 60

SPA 110

SPD 95

SPE 130

BST525

TYPE MATCHUPS

2×

Ground

½×

ElectricFlyingSteel

Moves

Thunderbolt 100.0% Thunder Wave 99.4% Double Kick 98.9% Pin Missile 85.0% Rest 9.4% Agility 4.7% Toxic 1.1% Sand Attack 0.5%

Abilities

No Ability100.0%

Common Teammates

Browse Gen 1 OU teams using Jolteon →

Explore Jolteon + Rhydon teams 79 score Explore Jolteon + Alakazam teams 34 score Explore Jolteon + Exeggutor teams 29 score Explore Jolteon + Chansey teams 9 score Explore Jolteon + Starmie teams -3 score

Leading observed checks

Open a matchup for a separate set-based damage estimate, or browse uploaded teams with both Pokémon.

Team core to explore

Jolteon + Tauros 97.8% teammate usage Explore teams →

Checks & Counters

Observed target KO or switch rate is upstream p: the fraction of relevant encounters where the target was knocked out or switched out. Standard error is upstream d. The conservative score is p − 4d. These ladder observations do not prove a set-specific counter.

How to read this table

Use encounter count and standard error to judge the sample. Damage estimates below use inferred sets and remain separate from the observed ladder metric.

# Checker Encounters Conservative score Target KO or switch rate

Rhydon

GroundRock DEFENSIVE CHECK View matchup

24.601

78.9

95.5% Standard error 4.17 points

Alakazam

Psychic OFFENSIVE CHECK View matchup

21.901

33.8

72.1% Standard error 9.58 points

Exeggutor

GrassPsychic OFFENSIVE CHECK View matchup

53.919

29.5

56.5% Standard error 6.75 points

Chansey

Normal SOFT CHECK View matchup

40.098

8.8

39.7% Standard error 7.73 points

Starmie

WaterPsychic SOFT CHECK View matchup

52.989

-2.6

19.0% Standard error 5.39 points

Ranked #12 with 8.44% usage. Sorted by conservative score.