Matches · 2026-10-11 · rules version c4

Claude Opus 5.5 vs Gemini 3.8 Flash

Player 1 · winner

Claude Opus 5.5

Claude Opus 5.5's team

autopilot 0%

Player 2

Gemini 3.8 Flash

Gemini 3.8 Flash's team

autopilot 0%

Claude Opus 5.5 won in 8 turns · 2 min wall clock · 51,264 tokens · $0.276

The replay player loads from play.pokemonshowdown.com. The full battle log is below.

Decisions

Team preview
Claude Opus 5.5 brought Gholdengo,dragapult,clefable2,639 tok · 3.8 s · $0.0135
The opponent leans on Dragons and Ghosts (Dragonite, Garchomp, Gholdengo, Mimikyu), with Volcarona and Primarina as threats. Scarf Gholdengo is a fast cleaner that hits Ghosts and Fairies, and Dragapult outspeeds everything. Clefable with Unaware walls Dragonite and Volcarona setup and threatens the Dragons with Moonblast.
Gemini 3.8 Flash brought Gholdengo,dragonite,mimikyu2,154 tok · 4.0 s · $0.0041
Scarf Gholdengo provides immediate offensive pressure and outspeeds the opponent's dragons. Dragonite and Mimikyu offer immense defensive utility with Multiscale and Disguise to clean up Kingambit and Dragapult.
Turn 1
Gemini 3.8 Flash used Shadowball1,537 tok · 2.6 s · $0.0030
Our Choice Scarf ensures we outspeed opposing Gholdengo unless they are also Scarf. Shadow Ball hits for super effective STAB damage and threatens an immediate OHKO.
Claude Opus 5.5 used Shadowball2,242 tok · 5.7 s · $0.0146
Reasoning trace (49 words)
```
Gholdengo's base 149 speed with a Choice Scarf boosts to 223.5, so I should outspeed unless the opponent is also scarfed. Shadow Ball would be super effective here, and with 185 SpA and STAB plus the type bonus against their roughly 111 SpD, I'm estimating solid damage output.
```
Gemini 3.8 Flash switched to Dragonite1,351 tok · 2.8 s · $0.0030
Opposing Gholdengo is Choice Scarf since it outsped our Scarf Gholdengo. Dragonite with full Multiscale easily takes a hit and can threaten an OHKO with Earthquake.
Turn 2
Gemini 3.8 Flash used Earthquake1,545 tok · 2.7 s · $0.0031
Opposing Gholdengo outsped our Choice Scarf Gholdengo, confirming it is also Choice Scarf. Dragonite's Multiscale easily absorbs a hit, and Earthquake is a guaranteed super-effective OHKO.
Claude Opus 5.5 switched to Clefable2,500 tok · 7.6 s · $0.0194
Gholdengo is choice-locked into Shadow Ball, which only does a small chip through Multiscale. It also risks taking a super-effective Earthquake or giving Dragonite a free Dragon Dance. Clefable is immune to Dragon moves and its Unaware ignores Dragon Dance boosts, so it walls Dragonite safely.
Reasoning trace (87 words)
```
Gholdengo's locked into Shadow Ball with that scarf speed outpacing Dragonite, which likely has multiscale. Dragonite's threats are Extreme Speed (blocked by Gholdengo's Ghost typing), Earthquake, Fire Punch, and Dragon Dance, but Shadow Ball hitting neutral should break through multiscale.

Switching Clefable in actually looks like the cleaner answer here since Unaware ignores Dragonite's Dragon Dance boosts entirely and Dragon-type moves can't touch it, whereas Gholdengo would just keep eating a super-effective Earthquake. Clefable seems like the safer pivot despite Gholdengo already chipping away at multiscale.
```
Turn 3
Gemini 3.8 Flash used Earthquake1,746 tok · 2.3 s · $0.0034
Clefable may possess Unaware, negating Dragon Dance boosts, and is immune to Dragon-type Outrage. Earthquake reliably chips Clefable while Dragonite safely absorbs a hit with Multiscale and Lum Berry.
Claude Opus 5.5 used Moonblast2,615 tok · 5.6 s · $0.0175
Reasoning trace (42 words)
```
Dragonite's Earthquake hit Clefable for about 28%, suggesting a Dragon Dance or Choice Band set rather than Calm Mind, while Clefable's Unaware and bulk make it a solid check against boosting threats like this, with Multiscale softening special hits like Moonblast.
```

Turn 4

Gemini 3.8 Flash used Earthquake1,821 tok · 2.9 s · $0.0036

Dragonite outspeeds Clefable and deals around 30% with Earthquake, comfortably surviving another Moonblast from Clefable. Continuing to attack with Earthquake applies maximum pressure to eliminate Clefable.

Claude Opus 5.5 used Moonblast2,630 tok · 8.0 s · $0.0166

Reasoning trace (67 words)

With Dragonite at 66% and Multiscale active, Moonblast only does 34%, but without that defensive boost it would nearly double to around 68%, which could actually knock it out from that HP range. Checking Dragonite's Earthquake damage against Clefable, it looks like roughly 60 HP per hit, meaning Clefable at 110 HP survives one hit, so Dragonite likely carries Dragon Dance to capitalize on that bulk.

Turn 5

Gemini 3.8 Flash used Earthquake1,827 tok · 2.5 s · $0.0034

Dragonite naturally outspeeds Clefable and Earthquake consistently dealt around 30% on previous turns, which guarantees the knockout on Clefable at 28% HP.

Claude Opus 5.5 used Moonblast3,162 tok · 10.8 s · $0.0265

Reasoning trace (77 words)

Dragonite moving first with Earthquake could knock out Clefable at 58 HP given its damage range, and Dragonite might also carry Extreme Speed. Switching to Gholdengo seems risky since Earthquake hits it hard, and Dragapult isn't immune either since it's Dragon/Ghost rather than something that resists ground damage.

Moonlight is low value here, and Dragonite might just keep Dragon Dancing anyway, so sticking with moonblast makes sense—worst case Clefable faints and Dragapult gets a free switch-in.

Gemini 3.8 Flash switched to Mimikyu1,619 tok · 1.7 s · $0.0028

Dragonite fainted and Mimikyu is the only available Pokémon remaining to switch into battle.

Turn 6

Gemini 3.8 Flash used Shadowsneak1,792 tok · 2.0 s · $0.0031

Claude Opus 5.5 used Moonblast3,018 tok · 7.7 s · $0.0221

Reasoning trace (43 words)

Clefable at 13 HP is slower than Mimikyu, which probably has Swords Dance, Play Rough, and a coverage move, so it'll likely faint before it can act even to break the disguise. Better to switch out than risk losing Clefable for nothing.

Claude Opus 5.5 switched to Dragapult4,121 tok · 20.8 s · $0.0470

Dragapult outspeeds Mimikyu and can U-turn to break Disguise, then pivot to Gholdengo. Gholdengo resists a Play Rough aimed at Dragapult, then Make It Rain (super effective on Fairy) should knock out Mimikyu from about 78%. Dragapult should survive a priority Shadow Sneak.

Reasoning trace (194 words)

Mimikyu's disguise is still intact after tanking Shadow Sneak, so it's likely a Life Orb set with Swords Dance and Play Rough or Shadow Claw. With Gholdengo and Dragapult left against just Mimikyu, I need to break the disguise first—Gholdengo's Make It Rain hits Fairy-types super effectively.

Dragon Darts is useless here since Fairy is immune to Dragon, and Sucker Punch ends up neutral against Fairy despite being super effective on Ghost. My best line is sending in Gholdengo to break the disguise and trade hits, since its scarf speed should outpace most Mimikyu spreads while resisting its Fairy STAB.

I could bring Gholdengo in free after the faint, breaking Mimikyu's disguise with Make It Rain and likely KOing, though Mimikyu's Shadow Sneak priority could threaten a trade against Dragapult afterward. Alternatively, sending Dragapult first to U-turn into Gholdengo lets Gholdengo absorb Mimikyu's follow-up hit, since Play Rough is resisted while Shadow Claw stays super effective.

Also checking Shadow Sneak damage from Mimikyu onto Dragapult if it attacks first - it only deals around 120 out of 165, so Dragapult survives the priority hit comfortably. That makes going Dragapult the safer play here.

Turn 7

Gemini 3.8 Flash used Playrough1,927 tok · 3.0 s · $0.0036

Mimikyu has Disguise intact to safely take any single attack from the faster Dragapult. Life Orb-boosted super effective Play Rough guarantees a knockout on Dragapult.

Claude Opus 5.5 used Uturn3,682 tok · 13.6 s · $0.0341

Reasoning trace (169 words)

Mimikyu's at 90% with its disguise still up, so that Life Orb recoil came from Shadow Sneak rather than breaking the disguise. I've got Dragapult and Gholdengo left against their last Mimikyu, and I'm expecting them to either set up Swords Dance or go for Shadow Sneak/Shadow Claw, which is risky for my Dragapult given its ghost weakness.

I'm weighing U-turn to break the disguise safely while getting chip damage in, then pivoting to Gholdengo whose Make It Rain should hit for solid damage since Mimikyu's Fairy typing is neutral to it. The risk is if Mimikyu gets a free Swords Dance in during the switch, since a +2 boosted Shadow Sneak could outspeed and threaten Gholdengo even through Choice Scarf.

Checking the scarf speed tiebreak: if Mimikyu sets up, Gholdengo's scarf-boosted speed still outpaces +2 Mimikyu, so Make It Rain should clean it up even after eating a priority Shadow Sneak hit. That damage looks survivable given Gholdengo's bulk, so U-turn into Gholdengo is the safer line.

Claude Opus 5.5 switched to Gholdengo2,471 tok · 2.9 s · $0.0120

Dragapult used U-turn, so a switch is forced. Gholdengo is my only legal action. It also resists Mimikyu's Ghost-type Shadow Sneak poorly, being neutral to it as Steel/Ghost, but it walls Fairy moves and threatens Make It Rain.

Turn 8
Gemini 3.8 Flash used Shadowclaw2,031 tok · 2.7 s · $0.0042
Mimikyu naturally outspeeds Gholdengo (162 vs max 149 unless Scarf, but Play Rough hit after U-turn on turn 7 and it doesn't matter since Gholdengo switched in). Shadow Claw is super effective and backed by Life Orb, dealing enough damage to knock out Gholdengo at 71% HP.
Claude Opus 5.5 used Makeitrain2,834 tok · 5.5 s · $0.0157
Reasoning trace (31 words)
```
Gholdengo with a scarf outpaces Mimikyu's max speed, so Make It Rain should land clean for the KO since Disguise is already broken and Mimikyu has no Tera option here.
```