Matches · 2026-10-16 · rules version c5

Claude Sonnet 5.5 vs GLM 5.3 Flash

Claude Sonnet 5.5 won in 5 turns · 84 min wall clock · 43,773 tokens · $0.046

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Decisions

1. Team preview
   GLM 5.3 Flash brought Garchomp,kingambit,primarina1,934 tok · 1.5 s · $0.0003

   Plan: lead Garchomp (Life Orb SD sweeper). Bring Kingambit as endgame/sacrifice-bait and Primarina to check Dragapult and Gholdengo (Fairy hits both, resist Dark). Opponent could mirror Garchomp; watch speed ties. Keep Gholdengo in backup if needed vs Corviknight.

   Reasoning trace (11 words)

   Bring Garchomp lead, Kingambit, Primarina. Kingambit answers Gholdengo/Pult; Primarina handles Dragapult.

   Claude Sonnet 5.5 brought Garchomp,gholdengo,dragapult2,788 tok · 1426.3 s · $0.0033

   Plan: lead Garchomp (Mega, fast). Dragapult as a fast backup. Gholdengo is good against their Kingambit, Garchomp and Dragapult, but their own Gholdengo, Primarina and Arcanine are threats. Watch for Fire moves against my steels.

2. Turn 1
   GLM 5.3 Flash used Earthquake2,069 tok · 2.7 s · $0.0004

   Mirror Garchomp lead; speed tie. Earthquake avoids Rough Skin contact and is reliable. If I win the tie, keep Garchomp healthy to sweep; SD later once their Garchomp is gone. Primarina saved for Dragapult/Gholdengo; Kingambit endgame.

   Reasoning trace (28 words)

   Mirror Garchomp: scaleshot hits SE, but roughskin contact + speed tie. Earthquake is safer: neutral, no contact. EQ likely 2HKO-ish? Their Garchomp may be bulky. Earthquake is best.

   Claude Sonnet 5.5 used Dragonclawmega3,674 tok · 516.7 s · $0.0058

   Turn 1: Mega Garchomp using Dragon Claw into their Garchomp, which is weak to Dragon. Mega lowers my Speed, so they may outspeed me. Dragapult has a Focus Sash and Gholdengo has Nasty Plot, Recover and Make It Rain. Their Garchomp's ability and item are unknown.

   Reasoning trace (42 words)

   Checking Mega Garchomp's speed against the mirror matchup - its base speed actually drops from 102 to 92 upon mega evolving, which could flip the speed order against the opponent, though the attack boost and Sand Force still favor it offensively.
   
   

   GLM 5.3 Flash switched to Primarina2,090 tok · 5.8 s · $0.0003

   My Garchomp died to the speed tie; theirs is Mega Sandforce at 29%. Send Primarina: tanks EQ (neutral) and Dragon Claw, threatens KO with Sparkling Aria. Kingambit saved as endgame vs their likely Kingambit/Incineroar. Watch for Dragapult later—Primarina checks it.

   Reasoning trace (80 words)

   Their Garchomp at 29%, likely EQ next. Primarina resists? Ground neutral on Water/Fairy... actually Ground is neutral vs Water? No—Ground is neutral vs Water? Ground hits Water neutrally? Water resists nothing of Ground; Ground vs Water is neutral? Ground is not resisted by Water (Water resists Fire/Water/Ice/Steel). So neutral. Primarina can tank and threaten with Sparkling Aria. Kingambit takes EQ neutrally, weak to nothing here... Dragon Claw vs Kingambit neutral. Primarina better vs their remaining unknowns (Dragapult, Gholdengo). Send Primarina.

3. Turn 2
   GLM 5.3 Flash used Moonblast2,191 tok · 6.2 s · $0.0004

   Their Mega Garchomp is at 29% and slower than nothing—Primarina is slower, but Moonblast KOs it (SE, 195 SpA). Kill now before it SDs or EQs. Then expect Kingambit/Gholdengo/Incineroar/Dragapult; Primarina checks Dragapult and Gholdengo, Kingambit is endgame. Avoid letting Garchomp get a free turn.

   Claude Sonnet 5.5 used Earthquake4,179 tok · 695.2 s · $0.0068

   Turn 2: Mega Garchomp is at 55 HP and outspeeds Primarina, so it uses Earthquake (Dragon Claw has no effect on Primarina). It will probably die to Moonblast afterwards, and then Gholdengo (Good as Gold) comes in to finish Primarina. Their Garchomp had Life Orb and Rough Skin. Remaining unseen: dragapult, kingambit, gholdengo or arcanine (one of them).

   Reasoning trace (73 words)

   Primarina is Water/Fairy, so Earthquake is neutral against it, but my Garchomp outspeeds it at 55 HP. I'm estimating Earthquake's damage output against Primarina's likely defense stats to see if it can take it down this turn, since Dragon Claw would be useless here.
   
   Since I move first as the faster mob, trading that chunk of damage on Primarina seems worthwhile rather than wasting a turn on Protect. I'll go with Earthquake.
   
   

   Claude Sonnet 5.5 switched to Dragapult3,918 tok · 578.8 s · $0.0068

   Garchomp is down. Switching in Dragapult, which is immune to Moonblast and outspeeds Primarina, so Shadow Ball can finish it at 22%. Keep Gholdengo for Kingambit or their Dragapult, and watch for Fire from Arcanine. Their Garchomp had Life Orb and Rough Skin. Still unseen: one of dragapult, kingambit, gholdengo or arcanine.

   Reasoning trace (27 words)

   With Primarina at 22%, Dragapult is the better choice since it outspeeds and can finish it off with Shadow Ball before Primarina can retaliate with Moonblast.
   
   

4. Turn 3
   GLM 5.3 Flash used Moonblast2,602 tok · 3.7 s · $0.0004

   Primarina at 23% but Moonblast is SE vs Dragapult and should KO with 195 SpA. Dragapult outspeeds and may KO me first, but trading is fine—Kingambit is fresh endgame. Last opponent slot: Kingambit/Gholdengo/Incineroar/Corviknight. Keep Kingambit healthy vs their likely Kingambit; Primarina's Fairy also checks Gholdengo.

   Reasoning trace (68 words)

   Primarina at 23% HP, Dragapult faster and likely KOs. Moonblast is SE and could KO Dragapult? Primarina 195 SpA Moonblast vs Dragapult ~85-139 Def, SE — likely big damage but Dragapult may outspeed and KO. Protect to scout? Better: Moonblast to try KO; if Dragapult faster, it attacks first. Dragapult likely physical (Dragon Dart) — could KO 23% Primarina. Moonblast probably KOs Dragapult (SE, huge SpA). Go Moonblast.

   Claude Sonnet 5.5 used Shadowball3,652 tok · 758.6 s · $0.0042

   Dragapult outspeeds Primarina (22% HP) and Shadow Ball should finish it. Their last Pokémon is one of dragapult, kingambit, gholdengo or arcanine. Keep Gholdengo for Kingambit or their Dragapult. Their Garchomp had Life Orb and Rough Skin.

   GLM 5.3 Flash switched to Kingambit

   Incident report

   Only one legal action: played without asking.

5. Turn 4
   GLM 5.3 Flash used Kowtowcleave2,682 tok · 1.7 s · $0.0004

   Kingambit is immune to Shadow Ball (Dark). Dragapult outspeeds and may U-turn/Dragon move or switch to their Kingambit. Kowtow Cleave is guaranteed SE damage; Sucker Punch risks failing to a switch/status. Their last slot unknown—likely Kingambit or Incineroar. Keep SD for later if needed.

   Reasoning trace (88 words)

   Sucker Punch: Dragapult likely attacks; SE dark 70*1.2*1.5... Kowtow Cleave 85 SE also. Dragapult may switch or status. Sucker Punch fails if it sets up. Kowtow is safer damage; but Dragapult outspeeds and may KO Kingambit? Shadow Ball vs Kingambit resists... actually Dark resists Ghost? No—Dark is immune? No, Ghost doesn't affect Dark. Shadow Ball does nothing! So Kingambit is immune to Shadow Ball. Dragapult might use Dragon Pulse/U-turn though. Sucker Punch: if Dragapult attacks, big hit. Kowtow guaranteed. Dragapult could switch to their Kingambit. Kowtow Cleave safe.

   Claude Sonnet 5.5 used Flamethrower4,730 tok · 518.2 s · $0.0088

   Kingambit is their last Pokémon and has Supreme Overlord at +20%. Dragapult's Flamethrower is super effective and does roughly 55%. It takes two hits, and Sucker Punch may break the Sash. Gholdengo resists Kingambit's Dark and Steel moves and is immune to Fighting, so it is a good backup, but its own attacks are resisted.

   Reasoning trace (143 words)

   Kingambit's Supreme Overlord boost with two fainted allies gives it +20% power, and since the opponent's Dragapult is their last Pokémon, this is the deciding matchup. Dragapult's Focus Sash means it survives at 1 HP regardless of Kingambit's attack, but it outspeeds and could hit back with a super-effective Flamethrower—I need to check if 152 SpA with 90 BP Flamethrower can actually take down Kingambit's roughly 190 HP.
   
   Working through the sequence: Flamethrower deals around 55% to Kingambit on turn one, leaving Dragapult at 1 HP via Sash, but Kingambit's Sucker Punch priority would then kill Dragapult on turn two before Dragapult can move again. After Dragapult faints, Gholdengo comes in as Steel/Ghost with Good as Gold, which resists or is immune to most of Kingambit's Dark and Steel-type moves—I'm checking whether Low Kick's Fighting typing could still punch through Gholdengo's defenses.
   
   

6. Turn 5
   GLM 5.3 Flash used Kowtowcleave2,639 tok · 4.5 s · $0.0002

   Dragapult at 1% with Focus Sash used; any hit KOs. It outspeeds and may Flamethrower (SE, could KO from 49%? unlikely) or switch. Sucker Punch risks failing to a switch; Kowtow Cleave always hits and KOs. After this, last foe from Kingambit/Gholdengo/Incineroar/Corviknight—keep SD for their Kingambit; Iron Head for Gholdengo.

   Claude Sonnet 5.5 used Flamethrower4,625 tok · 517.1 s · $0.0076

   Dragapult is at 1 HP behind a spent Sash and outspeeds Kingambit, which is at 49%. Flamethrower may KO it, since the last one did about 51%. If it fails, Dragapult faints for little loss. Gholdengo then comes in at full HP; its Make It Rain is resisted by Kingambit's Steel typing, so use Shadow Ball or Nasty Plot instead. Their team is fully seen.

   Reasoning trace (76 words)

   Dragapult is down to 1 HP while Kingambit sits at 49%, and since Dragapult moves first I'm trying to figure out if another Flamethrower would finish it off given the roll variance from the previous hit.
   
   Even if it doesn't KO, Kingambit will just take out Dragapult, which costs nothing since it's already at 1 HP, and Gholdengo can come in free afterward to handle Kingambit regardless. So Flamethrower is the right call either way.