ROUTE 101
◀ Battle Bench v2 UNDERDOG  GAME 2 · SEED 7272

GPT-5 mini vs Haiku 4.5 · Underdog 2

HAIKU 4.5 WON20 turns · 483 s · $0.087
Teams

Who brought what

ModelTeamKOsMissed KOsPer decisionCost
GPT-5 mini
opponent's side · Lv 45
Snorlax, Sharpedo, Glalie20 12.9 s$0.027
Haiku 4.5 WON
player's side · Lv 50
Lugia, Tangela, Machoke30 10.1 s$0.06

Pool: Cascoon, Sharpedo, Ursaring, Tangela, Geodude, Machoke, Snorlax, Lugia, Machop, Glalie, Luvdisc, Cacturne.

PickModelChoseReason given
1Haiku 4.5LugiaLugia is the strongest Pokémon available with excellent defensive typing and stat distribution for level-matched battles.
2GPT-5 miniSnorlaxSnorlax is a massive special wall that can reliably soak Lugia's special attacks and outlast it.
3GPT-5 miniSharpedoSharpedo's Dark STAB hits Lugia's Psychic super effectively and its high Speed lets it threaten/KO Lugia before Snorlax is targeted.
4Haiku 4.5TangelaTangela provides crucial Grass-type coverage against Sharpedo's Water weakness while complementing Lugia's Psychic/Flying strengths.
5Haiku 4.5MachokeMachoke's Fighting-type moves are super-effective against Snorlax, the most threatening member of their team.
6GPT-5 miniGlalieGlalie's Ice STAB hits both Lugia (Flying) and Tangela (Grass) super effectively, covering two major threats.
Frames

6 moments that mattered

  • Turn 1 · gpt-5-mini opens with Use Body SlamTurn 1 · gpt-5-mini opens with Use Body Slam
  • Turn 4 · claude-haiku-4.5 used Cross Chop — knockoutTurn 4 · claude-haiku-4.5 used Cross Chop — knockout
  • Turn 3 · gpt-5-mini used Body Slam — knockoutTurn 3 · gpt-5-mini used Body Slam — knockout
  • Turn 16 · claude-haiku-4.5 used Hydro Pump — knockoutTurn 16 · claude-haiku-4.5 used Hydro Pump — knockout
  • Turn 15 · gpt-5-mini used Ice Beam — knockoutTurn 15 · gpt-5-mini used Ice Beam — knockout
  • Turn 20 · claude-haiku-4.5 used Vital Throw — knockoutTurn 20 · claude-haiku-4.5 used Vital Throw — knockout
Turns

Every decision

#ModelPickOptionsTime
1GPT-5 miniGPT-5 mini · Use Body Slam
Body Slam deals the most damage and can paralyze Lugia, reducing its threat and speed.
69.8 s
2Haiku 4.5Haiku 4.5 · Switch to Machoke
Machoke's Fighting-type moves hit Snorlax for 2× damage due to super effectiveness against Normal-type, enabl…
612.7 s
3GPT-5 miniGPT-5 mini · Use Body Slam KO
Body Slam will reliably KO Machoke this turn.
64.9 s
4Haiku 4.5Haiku 4.5 · Use Cross Chop KO
Cross Chop has the highest damage range (201-237) and can potentially KO Snorlax in one hit, ending the battl…
611.2 s
5GPT-5 miniGPT-5 mini · Switch to Glalie forced
Glalie has higher physical bulk and more HP, so it can better absorb Machoke's strong Fighting-type physical…
26.8 s
6Haiku 4.5Haiku 4.5 · Send out Lugia forced
Switch to Lugia at full health to maintain momentum after knocking out Snorlax, gaining a fresh bulky Pokémon…
310.3 s
7GPT-5 miniGPT-5 mini · Use Ice Beam
Ice Beam is STAB and 2× super effective on Lugia and deals the most damage available.
57.2 s
8Haiku 4.5Haiku 4.5 · Use Hydro Pump
Hydro Pump is super effective against Ice-type Glalie, dealing significant damage while Lugia is at full heal…
67.2 s
9GPT-5 miniGPT-5 mini · Use Ice Beam
Ice Beam is the strongest super-effective attack to deal maximum damage and try to KO Lugia before it can Rec…
59.8 s
10Haiku 4.5Haiku 4.5 · Use Hydro Pump
Hydro Pump is super effective against Glalie and deals 54-64% of its health; the offensive pressure is better…
69.4 s
11GPT-5 miniGPT-5 mini · Use Ice Beam
Ice Beam is STAB, 2× super effective and is likely to KO Lugia.
55.4 s
12Haiku 4.5Haiku 4.5 · Use Recover
Recover to heal from 60 to ~148 HP before getting knocked out by another super effective Ice Beam.
69.9 s
13GPT-5 miniGPT-5 mini · Use Ice Beam
Ice Beam is super effective and should KO Lugia, winning the battle.
55.7 s
14Haiku 4.5Haiku 4.5 · Use Hydro Pump
Hydro Pump is my strongest move with 80% accuracy and should eventually hit to deal significant damage; switc…
614.6 s
15GPT-5 miniGPT-5 mini · Use Ice Beam KO
Ice Beam is 2× super effective and will KO Lugia.
56.9 s
16Haiku 4.5Haiku 4.5 · Use Hydro Pump KO
Hydro Pump KOs Glalie (69-82 damage vs 53 HP), ending the battle if it hits, and with 80% accuracy this is th…
613.8 s
17GPT-5 miniGPT-5 mini · Switch to Sharpedo forced 10 ms
18Haiku 4.5Haiku 4.5 · Send out Machoke forced
Machoke's Fighting moves are super effective against Ice types, and it resists Ice damage compared to fragile…
36.2 s
19GPT-5 miniGPT-5 mini · Use Slash
Slash is the safest way to deal reliable damage and greatly lower Machoke's HP without risking a disadvantage…
410.1 s
20Haiku 4.5Haiku 4.5 · Use Vital Throw KO
Vital Throw guarantees a KO with 100% accuracy and cannot be affected by stat changes or priority moves.
68.7 s
Every option on every turn
  1. GPT-5 mini: Use Snore · Use Body Slam · Use Block (status move) · Use Covet · Switch to Sharpedo · Switch to Glalie (hits up to 2×)
  2. Haiku 4.5: Use Safeguard (status move) · Use Gust · Use Recover (status move) · Use Hydro Pump · Switch to Tangela · Switch to Machoke (hits up to 2×)
  3. GPT-5 mini: Use Snore · Use Body Slam · Use Block (status move) · Use Covet · Switch to Sharpedo (weak to Fighting 2×) · Switch to Glalie (weak to Fighting 2×)
  4. Haiku 4.5: Use Revenge (2× super effective) · Use Vital Throw (2× super effective) · Use Submission (2× super effective) · Use Cross Chop (2× super effective, may KO) · Switch to Lugia · Switch to Tangela
  5. GPT-5 mini: Switch to Sharpedo (weak to Fighting 2×) · Switch to Glalie (weak to Fighting 2×)
  6. Haiku 4.5: Keep Machoke in · Send out Tangela · Send out Lugia
  7. GPT-5 mini: Use Protect (status move) · Use Crunch (2× super effective) · Use Ice Beam (2× super effective) · Use Hail (status move) · Switch to Sharpedo
  8. Haiku 4.5: Use Safeguard (status move) · Use Gust · Use Recover (status move) · Use Hydro Pump · Switch to Tangela (weak to Ice 2×) · Switch to Machoke (hits up to 2×)
  9. GPT-5 mini: Use Protect (status move) · Use Crunch (2× super effective) · Use Ice Beam (2× super effective) · Use Hail (status move) · Switch to Sharpedo
  10. Haiku 4.5: Use Safeguard (status move) · Use Gust · Use Recover (status move) · Use Hydro Pump · Switch to Tangela (weak to Ice 2×) · Switch to Machoke (hits up to 2×)
  11. GPT-5 mini: Use Protect (status move) · Use Crunch (2× super effective) · Use Ice Beam (2× super effective, may KO) · Use Hail (status move) · Switch to Sharpedo
  12. Haiku 4.5: Use Safeguard (status move) · Use Gust · Use Recover (status move) · Use Hydro Pump · Switch to Tangela (weak to Ice 2×) · Switch to Machoke (hits up to 2×)
  13. GPT-5 mini: Use Protect (status move) · Use Crunch (2× super effective) · Use Ice Beam (2× super effective) · Use Hail (status move) · Switch to Sharpedo
  14. Haiku 4.5: Use Safeguard (status move) · Use Gust · Use Recover (status move) · Use Hydro Pump · Switch to Tangela (weak to Ice 2×) · Switch to Machoke (hits up to 2×)
  15. GPT-5 mini: Use Protect (status move) · Use Crunch (2× super effective, KOs) · Use Ice Beam (2× super effective, KOs) · Use Hail (status move) · Switch to Sharpedo
  16. Haiku 4.5: Use Safeguard (status move) · Use Gust · Use Recover (status move) · Use Hydro Pump (KOs) · Switch to Tangela (weak to Ice 2×) · Switch to Machoke (hits up to 2×)
  17. GPT-5 mini: Switch to Sharpedo
  18. Haiku 4.5: Keep Lugia in · Send out Tangela (weak to Ice 2×) · Send out Machoke (hits up to 2×)
  19. GPT-5 mini: Use Screech (status move) · Use Slash · Use Taunt (status move) · Use Swagger (status move)
  20. Haiku 4.5: Use Revenge (2× super effective, KOs) · Use Vital Throw (2× super effective, KOs) · Use Submission (2× super effective, KOs) · Use Cross Chop (2× super effective, KOs) · Switch to Lugia (weak to Dark 2×) · Switch to Tangela (hits up to 2×)

Harness 9398de01c+local changes (harness.diff). Still frames from our own run; no game files are hosted here.