Matches · 2026-10-10 · rules version c4
GPT-6 Luna Decisions vs Claude Haiku 5.5
GPT-6 Luna Decisions won in 8 turns · 68 s wall clock · 49,654 tokens · $0.009
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Decisions
- Team previewGPT-6 Luna Decisions brought
Ninetalesalola,rotomwash,garchompLead: 44% BRING: ninetalesalola, 29% BRING: garchomp, 13% BRING: gholdengo Pick 2: 29% BRING: garchomp, 29% BRING: rotomwash, 29% BRING: gholdengo Pick 3: 57% BRING: garchomp, 31% BRING: gholdengo, 8% BRING: scizor
Claude Haiku 5.5 broughtIncineroar,garchomp,kingambitIncineroar leads for Intimidate and Fake Out, which blunts Garchomp and Scizor's physical attacks. Garchomp gives fast Mega Garchomp pressure with Earthquake and Stone Edge. Kingambit adds a strong Dark/Steel physical threat that hits Ninetales-Alola and Gholdengo hard.
Reasoning trace (80 words)
I need to settle on my three leads here. Looking at the opponent's team of Garchomp, Rotom-Wash, Scizor, Incineroar, Gholdengo, and Ninetales-Alola against my own squad of Incineroar, Garchomp, Gholdengo, Kingambit, Sinistcha, and Archaludon, I'm weighing which picks give the best matchups—Incineroar for utility, Garchomp as a fast mega threat, and Kingambit for pressuring their Steel and Ghost types. I'll settle on Incineroar, Garchomp, and Kingambit as the final team, leading with Incineroar for Intimidate and Fake Out utility.
- Turn 1GPT-6 Luna Decisions used
Auroraveil92% MOVE: auroraveil, 6% SWITCH: rotomwash, 1% MOVE: encore
Claude Haiku 5.5 usedFakeoutNinetales-Alola is almost certainly faster than my Incineroar (80 Speed), so it would act first. Fake Out is legal only on my first turn and flinches the target, which stops Ninetales from moving this turn. That gives Incineroar a free turn to set up a Flare Blitz next turn.
Reasoning trace (44 words)
For turn 1 I'm considering Fake Out from Incineroar, since it's legal and flinches Ninetales-Alola, preventing it from acting. But Ninetales outspeeds Incineroar, so I need to weigh whether it could attack first before I can follow up with a super-effective Flare Blitz.
- Turn 2GPT-6 Luna Decisions used
Auroraveil93% MOVE: auroraveil, 3% MOVE: moonblast, 2% SWITCH: rotomwash
Claude Haiku 5.5 usedFlareblitzIncineroar is slower than Ninetales-Alola, but Flare Blitz is super effective against Ice/Fairy and should knock out or nearly knock out the 84% target. Fake Out has already been used, so Flare Blitz is the strongest option this turn.
Reasoning trace (30 words)
Since Flare Blitz is super effective against Ninetales-Alola's Ice typing, I'm estimating the damage using Incineroar's boosted attack against Ninetales' defense, factoring in its current HP of around 151.
- Turn 3GPT-6 Luna Decisions switched to
Rotom66% SWITCH: rotomwash, 16% SWITCH: garchomp, 12% MOVE: moonblast
Claude Haiku 5.5 usedFlareblitzNinetales-Alola is at 16% and outspeeds Incineroar, but it can't KO Incineroar (169 HP) in one hit. Flare Blitz is super effective and should knock it out even through Aurora Veil. Protect or switching only delays the KO.
Reasoning trace (31 words)
Ninetales is down to 16% with Aurora Veil active, but it's slower than Incineroar, so even with the veil's damage reduction, a super-effective Flare Blitz should finish it off easily.
- Turn 4GPT-6 Luna Decisions used
Hydropump70% MOVE: hydropump, 30% MOVE: voltswitch, 0% MOVE: willowisp
Claude Haiku 5.5 usedPartingshotFlare Blitz is resisted by Rotom-Wash's Water typing and costs 33% recoil, so it's a poor trade. Parting Shot cuts Rotom's Attack and Sp. Atk, its main offensive stats, and pivots Incineroar out safely.
Reasoning trace (87 words)
Incineroar's Flare Blitz won't do much since Rotom-Wash resists Fire with its Water typing, and Rotom outspeeds, so it could threaten back with Hydro Pump, Thunderbolt, or Will-O-Wisp. I'm considering switch options: Kingambit is decently neutral against Rotom-Wash's typing, though nothing hits it super effectively. Garchomp's Earthquake is useless against Rotom's Levitate, and Water actually hits Garchomp's Ground typing hard, so that's risky too. Parting Shot from Incineroar could be a safer play, weakening Rotom's offenses while giving us a free switch into something better suited.
Claude Haiku 5.5 switched toGarchompIncineroar fainted, so I must switch. Garchomp outspeeds Rotom-Wash (169 vs at most 151) and can threaten Mega Garchomp, while Earthquake is useless into Levitate. Hydro Pump hits Garchomp super effectively, but Garchomp's speed and Dragon/Rock damage make it the better choice.
Reasoning trace (108 words)
With Incineroar down, I need to pick a switch. Garchomp's Ground typing is useless against Rotom-Wash since it has Levitate, so Earthquake won't land, and Garchomp would also be vulnerable to Hydro Pump from its Water side. Kingambit looks safer: Dark/Steel takes neutral damage from Water and Electric, and with Supreme Overlord boosting its massive Attack, Kowtow Cleave could threaten Rotom-Wash hard. Comparing speeds, Garchomp outruns Rotom and could set up Swords Dance before attacking with Outrage or Stone Edge, though Hydro Pump back would hurt given Garchomp's weakness to Water. Mega Garchomp seems like the strongest option if it can switch in safely and start sweeping.
- Turn 5GPT-6 Luna Decisions used
Hydropump61% MOVE: hydropump, 31% MOVE: willowisp, 5% MOVE: voltswitch
Claude Haiku 5.5 usedOutragemegaEarthquake is useless because Rotom-Wash's Levitate grants Ground immunity. Outrage is a 100% accuracy neutral Dragon hit, and Mega Garchomp's much higher Attack should maximize damage. Mega speed drops but likely still keeps Garchomp ahead of most Rotom-Wash builds.
Reasoning trace (159 words)
Rotom-Wash's Levitate ability makes it immune to Ground, so Earthquake would do nothing despite the type advantage—I should avoid that move. Stone Edge is neutral against both Electric and Water, so it's not a great option either. I'm weighing Mega Garchomp's Outrage instead—Dragon type is neutral against Electric/Water, but Garchomp's raw Attack stat of 182 could still deal solid damage. I need to check whether Mega evolving actually boosts stats enough here and account for the Aurora Veil halving physical damage, plus confirm Rotom-Wash's current HP and defensive bulk against this attack. Doing the speed math more carefully: Mega Garchomp still clocks in around 144 speed, which could land either above or below Rotom's max roll of 151, so the outspeed outcome is genuinely uncertain. Still, Mega Outrage looks appealing since Rotom's Hydro Pump isn't super effective against Garchomp either way, and Garchomp's bulky HP pool should let it absorb a hit if it ends up moving second.
- Turn 6GPT-6 Luna Decisions used
Hydropump99% MOVE: hydropump, 1% SWITCH: garchomp, 0% MOVE: voltswitch
Claude Haiku 5.5 usedOutrageOnly one legal action is available: Outrage. Rotom-Wash is immune to Ground (Levitate), so Earthquake is not an option anyway. Garchomp is faster and Outrage is super effective on Rotom-Wash, so it's the move.
Claude Haiku 5.5 switched toKingambitGarchomp has fainted, so the only legal action is switching in Kingambit. I must pick the single listed option.
- Turn 7GPT-6 Luna Decisions switched to
Garchomp88% SWITCH: garchomp, 6% MOVE: willowisp, 3% MOVE: hydropump
Claude Haiku 5.5 usedKowtowcleaveRotom-Wash is at 28% (about 44 HP), and Kingambit's Kowtow Cleave gets a boost from Supreme Overlord with two fainted allies. Its 100% accuracy means it should KO through Aurora Veil. Sucker Punch could go first, but it fails if Rotom switches or protects, so Kowtow Cleave is the more reliable pick. Iron Head is weak here because Steel is resisted by Water.
Reasoning trace (121 words)
Checking type matchups against Rotom-Wash: Kingambit's Dark moves hit neutrally, but Iron Head is Steel-type, which gets quartered against the Electric/Water typing since both types resist Steel. At roughly 44 HP, I'm weighing Kowtow Cleave against Sucker Punch -- Kowtow Cleave boosted by Supreme Overlord and the attack item is reliable and accuracy-proof, while Sucker Punch hits harder but risks failing if Rotom doesn't attack. Speed order matters too: if Rotom outpaces and fires Hydro Pump first, it won't be enough to KO Kingambit's 177 HP, so Kingambit should still land the finishing blow regardless of move choice. Given the risk that Sucker Punch fails on a switch or Protect, I'm settling on Kowtow Cleave as the more consistent kill.
- Turn 8GPT-6 Luna Decisions used
Earthquake100% MOVE: earthquake, 0% MOVE: stoneedge, 0% MOVE: swordsdance
Claude Haiku 5.5 usedKowtowcleaveKingambit is slower than Garchomp, but Kowtow Cleave is still the strongest option, and it never misses. Aurora Veil halves the damage, so the hit may not knock Garchomp out, but it is the highest-damage play. Sucker Punch does less damage and only works if Garchomp attacks.
Reasoning trace (69 words)
Kingambit has two fainted allies (Garchomp and Incineroar), giving Supreme Overlord a +20% power boost. I'm calculating Kowtow Cleave's damage with STAB and Black Glasses against the opposing Garchomp. Factoring STAB and item boosts gets damage to around 127, close to Garchomp's remaining HP. Sucker Punch gives Kingambit priority if Garchomp attacks, so the speed comparison matters less than whether Garchomp commits to an attacking move versus status.