Matches · 2026-10-17 · rules version c5

Claude Sonnet 5.5 vs GPT-6 Luna

GPT-6 Luna won in 7 turns · 1.6 h wall clock · 55,999 tokens · $0.057

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Decisions

1. Team preview
   GPT-6 Luna brought Rotomwash,primarina,dragonite2,310 tok · 6.5 s · $0.0005

   Lead Rotom-Wash to pressure Incineroar, Corviknight, and Garchomp while pivoting. Keep Primarina for Dragon coverage and speed; preserve Dragonite for a Mega Dragon Dance sweep. Watch for Dragapult, which can outspeed the team.

   Claude Sonnet 5.5 brought Garchomp,dragapult,incineroar2,795 tok · 578.1 s · $0.0028

   Opp team: rotomwash, gliscor, gholdengo, primarina, dragonite, kingambit. Plan: lead Garchomp (Mega) for speed and pressure, Dragapult as a fast backup, Incineroar to pivot and handle Gholdengo/Kingambit.

2. Turn 1
   GPT-6 Luna used Hydropump2,111 tok · 4.1 s · $0.0004

   Plan: Use Rotom-Wash to pressure Garchomp and pivot; preserve Primarina for Dragon coverage and Dragonite for a Mega Dragon Dance sweep. Garchomp is immune to Volt Switch, so attack with Hydro Pump. Opponent’s other two brought Pokémon are still unknown.

   Claude Sonnet 5.5 used Dragonclawmega3,482 tok · 577.9 s · $0.0053

   Turn 1: Rotom-Wash has Levitate, so Earthquake is useless against it. Garchomp is immune to its Electric moves. Mega Evolve and use Dragon Claw. Watch for Will-O-Wisp. Gliscor and Dragonite are Ground/Dragon-weak targets for Garchomp, and Primarina is Fairy (immune to Dragon).

   Reasoning trace (80 words)

   Rotom-Wash's Levitate makes it immune to Earthquake despite the type matchup display, so that move is useless here. I'm weighing Dragon Claw and Stone Edge, both neutral, and considering whether Mega Garchomp's Sand Force changes the calculation against whatever Rotom-Wash actually runs, like Hydro Pump or Volt Switch.
   
   Since Garchomp is also immune to Electric, Volt Switch poses no threat, and Rotom-Wash has no resistance to Dragon. Mega Evolving now and using Dragon Claw looks like the strongest play.
   
   

3. Turn 2
   GPT-6 Luna used Hydropump2,191 tok · 3.4 s · $0.0003

   Plan: Finish Mega Garchomp with Hydro Pump; it took about half damage last turn, though Hydro Pump can miss. Preserve Primarina for Dragon coverage and Dragonite for a possible Mega sweep. Rotom-Wash has Leftovers and is at 82 HP; Garchomp has revealed Dragon Claw and moved before Rotom.

   Reasoning trace (82 words)

   **Evaluating move strategies**
   
   I need to choose a move. Garchomp is at 49% health, while Rotom is at 52%. I wonder if Hydro Pump would likely deal enough damage—previously, it did 51% damage. If it hits, it could potentially knock out Garchomp. There’s also a risk from Dragon Claw, but Garchomp moved first and inflicted 27% damage, allowing Rotom to survive. I think Hydro Pump is the best option given its 80% accuracy, despite the possible use of Pain Split for sustenance.

   Claude Sonnet 5.5 used Stoneedge4,107 tok · 456.4 s · $0.0080

   Rotom-Wash has Levitate, Leftovers and Hydro Pump, which did about 50% to Garchomp, so Garchomp is likely dead if it takes another one. Garchomp outspeeds, so Stone Edge to finish Rotom. Rotom is at 52%. Then bring Dragapult or Incineroar. Their remaining team is two of gliscor, gholdengo, primarina, dragonite, kingambit.

   Reasoning trace (111 words)

   Earthquake is useless here since Rotom-Wash has Levitate, despite the effectiveness label. Dragon Claw already took it to 46%, and another hit could finish it off though there's some damage roll risk; Stone Edge hits neutrally but with 100 BP and 80% accuracy would likely do even more damage than Dragon Claw, just less reliably.
   
   Hydro Pump already dealt 93 to my 92 HP Garchomp, meaning I can't afford to let Rotom survive another turn, so I need to pick whichever move maximizes my chance of a clean kill right now -- leaning toward Dragon Claw for reliability, with Stone Edge as the higher-damage but riskier alternative given its accuracy.
   
   

   Claude Sonnet 5.5 switched to Dragapult3,283 tok · 576.7 s · $0.0040

   Garchomp fainted. Rotom-Wash (Levitate, Leftovers, Hydro Pump) is at 14%. Dragapult outspeeds it and can finish it with Shadow Ball, with Flamethrower as an option. Rotom's Hydro Pump hits Dragapult hard, but Rotom is faster only if it has a Choice Scarf (unlikely). Opponent's remaining two come from gliscor, gholdengo, primarina, dragonite, kingambit. Keep Incineroar for Gholdengo/Kingambit and use Fake Out.

4. Turn 3
   GPT-6 Luna switched to Primarina2,520 tok · 3.3 s · $0.0004

   Rotom-Wash is nearly down after beating Mega Garchomp. Switch Primarina into Dragapult: Choice Scarf Moonblast threatens a KO, though a very fast Dragapult may still outspeed. Keep healthy Dragonite for the remaining threats; opponent has one of Incineroar, Kingambit, Gholdengo, or Corviknight left.

   Claude Sonnet 5.5 used Shadowball3,594 tok · 819.4 s · $0.0042

   Rotom-Wash (Levitate, Leftovers, Hydro Pump) is at 14%. Dragapult outspeeds it, so Shadow Ball should finish it. The opponent's last two come from gliscor, gholdengo, primarina, dragonite, kingambit. Keep Incineroar for Gholdengo/Kingambit and open with Fake Out.

5. Turn 4
   GPT-6 Luna used Moonblast2,668 tok · 4.0 s · $0.0004

   Primarina survived Dragapult’s Life Orb Shadow Ball at 83 HP; use super-effective Moonblast now. Rotom-Wash is nearly fainted, while full-health Dragonite remains for the endgame. Garchomp is down; opponent’s final Pokémon is still among Incineroar, Kingambit, Gholdengo, or Corviknight.

   Claude Sonnet 5.5 used Shadowball3,842 tok · 1060.4 s · $0.0047

   Rotom-Wash is at 14% (Leftovers, Hydro Pump, Levitate) and is still in the back. Primarina is at 52%, Dragapult outspeeds it, and Dragon moves can't hit it. The opponent's last Pokémon is one of gliscor, gholdengo, dragonite, kingambit. Keep Incineroar for Gholdengo/Kingambit and use Fake Out.

   Claude Sonnet 5.5 switched to Incineroar

   Incident report

   Only one legal action: played without asking.

6. Turn 5
   GPT-6 Luna switched to Dragonite2,973 tok · 7.1 s · $0.0006

   Garchomp and Life Orb Dragapult are down; Incineroar is the opponent’s last Pokémon and has Intimidate. Primarina is at 12 HP and Choice-locked into resisted Moonblast, so switch to full-health Dragonite and threaten it with Earthquake. Rotom is nearly fainted.

   Claude Sonnet 5.5 used Fakeout4,027 tok · 638.4 s · $0.0047

   Primarina is at 7% and Incineroar just came in. Fake Out has priority and should KO it, which also stops it from moving first. Rotom-Wash is at 14% with Leftovers, Hydro Pump and Levitate. The last opposing Pokémon is one of gliscor, gholdengo, dragonite, kingambit. Use Fake Out first, then handle Rotom and the last one.

7. Turn 6
   GPT-6 Luna used Earthquakemega2,946 tok · 4.0 s · $0.0005

   Garchomp and Life Orb Dragapult are down; Incineroar is the last opponent and has revealed Fake Out and Intimidate. Dragonite is healthy but at -1 Attack; Mega Evolve and hit Incineroar with super-effective Earthquake.

   Claude Sonnet 5.5 used Darkestlariat4,997 tok · 396.7 s · $0.0097

   Turn 6: Only Incineroar is left. Dragonite is at 94% and probably outspeeds me. Rotom-Wash is at 14% (Hydro Pump, Leftovers, Levitate) and Primarina is at 7% (Moonblast). Fake Out is used up. Plan: chip Dragonite with Darkestlariat, then KO the two weakened Pokémon whenever they come in.

   Reasoning trace (107 words)

   I'm trying to figure out whether Multiscale was active when Fake Out hit Dragonite — the 6% damage and lack of flinch could mean Inner Focus instead. I also notice Primarina dropped to 7% before Dragonite switched in, so I'm reconsidering the order of events on that turn.
   
   My opponent is left with Dragonite at 94%, Rotom at 14%, and Primarina at 7%, while I only have Incineroar remaining. I'm estimating Darkest Lariat does roughly 34% to Dragonite, which isn't enough to win outright, so I'm considering whether Parting Shot has any use here even though switching out isn't really viable with no other Pokémon left.
   
   

8. Turn 7
   GPT-6 Luna used Earthquake2,856 tok · 3.4 s · $0.0004

   Garchomp and Life Orb Dragapult are down; Incineroar is the last opponent at 56% after Sitrus Berry. Dragonite is at 107/168 HP and already Mega Evolved; its -1 Attack Earthquake previously took Incineroar to 31% before the berry, so Earthquake should finish it.

   Claude Sonnet 5.5 used Partingshot5,297 tok · 577.2 s · $0.0098

   Only Incineroar is left, at 114/202, with no Fake Out. Mega Dragonite (63%, Multiscale) outspeeds it, and another Earthquake likely KOs it. Parting Shot should cut Dragonite's Attack and let Incineroar survive one more hit. Rotom-Wash (14%) and Primarina (7%) are easy KOs if they come in.

   Reasoning trace (136 words)

   Incineroar is down to 114/202 now. Another Earthquake from Dragonite would deal roughly another 138 damage given the previous hit, which would be lethal, so I need to account for that threat on my next turn.
   
   Parting Shot could lower Dragonite's Attack and SpAtk, softening the Earthquake enough for me to survive at low HP, but with no allies to switch in, it would just fail the swap while still applying the debuff. Even then, Dragonite outspeeds and could finish me off afterward, so realistically this looks like a losing position no matter which move I pick -- Parting Shot still seems like the best shot at surviving one more turn.
   
   Damage only matters if I survive, and Parting Shot gives the better odds of that versus another EQ, so I'll go with Parting Shot.