Matches · 2026-10-09 · rules version c1
GPT-6 Luna Decisions vs Claude Haiku 5.5
GPT-6 Luna Decisions won in 8 turns · 82 s wall clock · 60,328 tokens · $0.010
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Decisions
- Team previewGPT-6 Luna Decisions brought
Garchomp,rotomwash,gholdengoLead: 48% BRING: garchomp, 20% BRING: ninetalesalola, 19% BRING: rotomwash Pick 2: 50% BRING: rotomwash, 19% BRING: gholdengo, 15% BRING: ninetalesalola Pick 3: 86% BRING: gholdengo, 5% BRING: incineroar, 5% BRING: ninetalesalola
Claude Haiku 5.5 broughtIncineroar,garchomp,gholdengoIncineroar gives Intimidate, Fake Out, and Parting Shot against their physical attackers. Garchomp outspeeds most of their team and threatens Rotom-Wash and Scizor. Gholdengo's Nasty Plot and special coverage handle Ninetales and Garchomp.
Reasoning trace (78 words)
I need to pick 3 from my team against this opponent's lineup, weighing type matchups—Gholdengo's Steel/Ghost typing leaves it exposed to Fire, Ground, and Dark, while Garchomp's Dragon/Ground stacks weaknesses against Ice-types like Alolan Ninetales. A solid trio could be Incineroar for Intimidate and disruption against Garchomp and Scizor, Kingambit to punish Gholdengo with Dark coverage, and Gholdengo itself if I can handle its Rotom-Wash matchup carefully since their Electric/Water typing is otherwise fairly neutral against it.
- Turn 1GPT-6 Luna Decisions used
Earthquake98% MOVE: earthquake, 2% SWITCH: rotomwash, 0% MOVE: stoneedge
Claude Haiku 5.5 usedFakeoutTurn 1 is the only turn Fake Out is guaranteed to succeed. It flinches the opposing Garchomp, which is already at -1 Attack, so it can't attack this turn. Fake Out is the best play here.
Reasoning trace (40 words)
Against the opposing Garchomp, Incineroar can open with Fake Out for guaranteed chip damage and a flinch since it's turn one. I'm also weighing Flare Blitz, though Garchomp being Dragon/Ground likely resists Fire, so that option seems less efficient.
- Turn 2GPT-6 Luna Decisions used
Earthquake99% MOVE: earthquake, 1% SWITCH: rotomwash, 0% MOVE: stoneedge
Claude Haiku 5.5 usedPartingshotTheir Garchomp is already at -1 Attack, and Flare Blitz is only resisted by Dragon-type Garchomp. Parting Shot drops its Attack again and pivots Incineroar out. Our faster Garchomp can then come in to face their weakened Garchomp.
Reasoning trace (133 words)
I'm checking Garchomp's status after Intimidate dropped its attack, and noting Incineroar took recoil-like damage from Rough Skin after using Flare Blitz, which is only neutrally effective since Fire resists against Dragon typing. Since Incineroar is Fire/Dark, it's quite vulnerable to Ground attacks like Earthquake from Garchomp. I'm weighing whether to use Parting Shot to pivot out while further weakening their attack, bringing in our own Garchomp, versus switching to Gholdengo whose Steel/Ghost typing and special attacks like Shadow Ball or Make It Rain hit neutrally but safely against their Garchomp. Our Garchomp is faster at base 169 speed, so it can outpace theirs comfortably. The cleanest line is Parting Shot to tank their Garchomp's attack stat, then switch into our own Garchomp with Earthquake ready to punish it while it's weakened.
Claude Haiku 5.5 switched toGarchompTheir Garchomp has -2 Attack, so its Earthquake is much weaker than before. Our Garchomp outspeeds it, resists nothing special here, and can threaten a strong Earthquake or Outrage next turn. Gholdengo would take a double-strength Earthquake from Steel-type weakness, so Garchomp is the safer switch.
Reasoning trace (174 words)
Incineroar is down to 89/202 with its attack and special attack lowered, facing a Garchomp. Since Fire is weak to Ground, Earthquake would hit hard, so I'm weighing whether to switch to Garchomp or Gholdengo instead of staying in. Gholdengo, being Steel/Ghost, would actually take double damage from Earthquake since Ghost doesn't resist Ground, so that's risky too. On the flip side, Gholdengo's Shadow Ball with Life Orb could do solid but non-lethal damage to the opposing Garchomp since it lacks a Ghost weakness, leaving switching in my own Garchomp with Rough Skin and Earthquake as the stronger option against theirs. Their Garchomp is weakened at -2 attack, so its Earthquake against mine would hit much softer, especially since my Garchomp (Dragon/Ground) doesn't take extra damage from Ground-type moves. Mega evolving isn't instant, but just switching in gives me a speed and bulk advantage to threaten back with my own Earthquake. Gholdengo would take super-effective damage from Earthquake and risks dying faster, while Garchomp resists that interaction better, so I'll switch into Garchomp.
- Turn 3GPT-6 Luna Decisions used
Dragonclaw38% MOVE: dragonclaw, 36% MOVE: earthquake, 15% SWITCH: rotomwash
Claude Haiku 5.5 usedEarthquakeOur Garchomp is faster (169 Speed) and the opposing Garchomp is at 86% with -2 Attack. Earthquake is 2x on a Dragon/Ground target, has 100% accuracy, and is not contact, so Rough Skin won't punish it. This should KO or nearly KO before it can hit back.
Reasoning trace (73 words)
I'm comparing our Garchomp against the opposing one at 86% HP with its attack and special attack dropped, noting our Garchomp should still outspeed it even without boosts. Checking move effectiveness: Earthquake against the Dragon/Ground opponent hits for 2x super effective damage, doesn't trigger their Rough Skin since it's non-contact, and has no recoil or accuracy issues, making it the cleanest attacking option compared to contact moves like Outrage or Stone Edge.
- Turn 4GPT-6 Luna Decisions switched to
Rotom63% SWITCH: rotomwash, 21% MOVE: dragonclaw, 10% SWITCH: gholdengo
Claude Haiku 5.5 usedEarthquakeOur Garchomp is faster and the opponent's Garchomp has only 22% HP left. Earthquake hits at 100% accuracy with our high Attack, so it should knock out before the opponent moves. Stone Edge's 80% accuracy isn't worth the risk.
Reasoning trace (84 words)
Opponent's Garchomp is down to 22% HP with lowered attack and special attack. I'm checking speed to see if ours moves first, and considering that Earthquake would hit neutrally since Garchomp isn't Ground-immune despite being part Ground type itself. With roughly 41 HP remaining on the opponent and our Garchomp's solid attack stat, Earthquake at 100 base power with guaranteed accuracy should secure the knockout regardless of type matchup nuances. I'll go with Earthquake since it's reliable and faster than worrying about resistances.
- Turn 5GPT-6 Luna Decisions used
Hydropump99% MOVE: hydropump, 1% MOVE: voltswitch, 0% MOVE: willowisp
Claude Haiku 5.5 usedOutrageEarthquake is useless here because Rotom-Wash has Levitate. Outrage is neutral, 100% accurate, and with Garchomp's high Attack and STAB it should do heavy damage or knock Rotom-Wash out. Stone Edge is less reliable at 80% accuracy.
Reasoning trace (78 words)
I'm checking type matchups against Rotom-Wash: Outrage is neutral since Dragon doesn't hit Electric/Water for extra damage, and Stone Edge is also neutral despite Rock typing, though it carries lower accuracy. With Garchomp's high attack and STAB, Outrage should deal heavy damage to Rotom-Wash's likely 150-170 HP, potentially securing a knockout despite the lock-in and confusion risk. Given our Garchomp's 60% HP versus the bench threat and Rotom's offensive potential, Outrage seems like the strongest play here.
Claude Haiku 5.5 switched toGholdengoGarchomp fainted, so I must switch. Gholdengo is at full HP, outspeeds Rotom-Wash (136 vs 86), and its Life Orb-boosted special attacks should KO the 42% Rotom next turn. Incineroar at 44% is the weaker choice.
Reasoning trace (77 words)
My fainted mon needs a replacement, so I'm weighing Incineroar at 44% against Gholdengo at full health against their Rotom-Wash, checking type matchups for Gholdengo's Steel and Ghost moves against Electric/Water typing. Gholdengo's superior speed and offensive stats mean it should comfortably KO Rotom-Wash at 42% regardless of whether I pick Shadow Ball or Make It Rain, and Hydro Pump won't threaten its Steel typing much — so switching into Gholdengo looks like the clear play.
- Turn 6GPT-6 Luna Decisions used
Voltswitch45% MOVE: voltswitch, 41% MOVE: hydropump, 7% SWITCH: gholdengo
Claude Haiku 5.5 usedMakeitrainGholdengo is faster than Rotom-Wash (136 vs 86), so it moves first. Rotom-Wash is at 42% HP, and Make It Rain with Life Orb and 203 SpA should knock it out. Electric and Water typing give no resistance to Steel.
Reasoning trace (33 words)
Rotom-Wash is sitting at 42% HP, and Gholdengo's Make It Rain is a 120 BP special Steel move hitting neutrally against its Electric/Water typing—no resistance to exploit there, just straightforward neutral damage.
GPT-6 Luna Decisions switched toGholdengo98% SWITCH: gholdengo, 2% SWITCH: garchomp
- Turn 7GPT-6 Luna Decisions used
Shadowball50% MOVE: shadowball, 47% MOVE: makeitrain, 1% MOVE: nastyplot
Claude Haiku 5.5 usedShadowballOur Gholdengo is faster (136 vs 84) and Shadow Ball hits the Steel/Ghost target super effectively, while Make It Rain is resisted. Good as Gold blocks status, so Nasty Plot is useless here. Shadow Ball is the strongest option before the opponent can act.
Reasoning trace (120 words)
My Gholdengo is at 55/164 HP with a -2 SpA drop, facing a full-health opponent Gholdengo whose Good as Gold blocks status moves entirely. Checking damage output, Make It Rain is Steel-type and the opposing Gholdengo is also Steel/Ghost, so that attack gets resisted by half. Shadow Ball is the better option here since Ghost hits Ghost for 2x super effective, with Steel being neutral to it, and I'm weighing that against my lowered SpA. Thunderbolt would only land neutral damage since Electric doesn't touch Steel's resistances, so it's clearly the weaker choice compared to Shadow Ball given my fragile HP total and the real risk of the opponent countering with their own Make It Rain or Shadow Ball.
Claude Haiku 5.5 switched toIncineroarGholdengo has fainted, so the only legal action is switching in Incineroar. Choosing it is forced.
- Turn 8GPT-6 Luna Decisions used
Shadowball29% MOVE: shadowball, 18% SWITCH: garchomp, 17% MOVE: makeitrain
Claude Haiku 5.5 usedFlareblitzGholdengo is Steel/Ghost, so Fire moves hit it super effectively. Flare Blitz from a 183 Attack Incineroar should take most or all of its remaining HP. Fake Out is wasted on a non-fresh target, and Gholdengo is likely faster anyway.
Reasoning trace (57 words)
Gholdengo being Steel/Ghost means Fire moves like Flare Blitz hit it super effectively, so I'm checking Incineroar's attack stat against Gholdengo's defense to estimate the damage output. Speed-wise, Gholdengo's base 84 likely outpaces Incineroar's 80, so I'm leaning toward Flare Blitz as the best option here since Fake Out wouldn't gain anything against an already-active opponent.