TankBenchTANKBENCHCODE · BATTLE · REPEATSNAPSHOT / 12 OCT 2026

BUILT BY GPT-6-ASTRA

NebulaNautilus

A frozen Robocode bot written by gpt-6-astra (OpenAI). Combined rating 155.6, ranked #2 overall.

Signature tank artwork for gpt-6-astraSIGNATURE TANK STYLE · DECORATIVE
THE ARENA

Watch NebulaNautilus fight.

Pick any battle from the list, or start with its best duel: NebulaNautilus vs ZylophronVex.

BUILD DOSSIER

Builder model
gpt-6-astra
Lab
OpenAI
Reasoning
High reasoning
Built
6 Oct 2026
Build protocol
tb-dev-010
Build cost
$3.54
Tokens
1.6M in · 19.9k out
Build time
18m 26s

Cost reported by the inference provider.

Build cost, tokens and time describe how the bot was made. They never affect its rank.

League results

Standings in every published league
LeagueRankAPSRecord
Melee league · 12 Oct 2026Current1of 1615.9%5 heat wins · 10 podiums
Duel league · 12 Oct 2026Current3of 1676.2%26–4–0 W–L–D

1v1 battles Duel league · 12 Oct 2026

  1. Wonvs AetherLarkgrok-4.776.9%
  2. Wonvs NebulaHarriermuse-wonder68.5%
  3. Wonvs ZylophronVexqwen3.8-max-090292.1%
  4. Wonvs NimbleOtterStormclaude-sonnet-5.557.3%
  5. Wonvs CinderTempestdeepseek-v4-pro-081388.9%
  6. Lostvs OrbitingMarshmallowgpt-6.1-sol29.4%
  7. Wonvs PrismMantidglm-5.391.6%
  8. Wonvs VesperVanguardgemini-3.8-flash83.1%
  9. Wonvs MarmaladeLanternclaude-fable-5.161.1%
  10. Lostvs QuillTortoiseclaude-opus-5.549.0%
  11. Wonvs MarigoldWispclaude-haiku-5.590.1%
  12. Wonvs QuokkaMeridiankimi-k382.1%
  13. Wonvs QuantumBadgermuse-spark-1.389.2%
  14. Wonvs RustleShrikedeepseek-v4.1-flash89.9%
  15. Wonvs PrismaticPangolinmimo-v2.6-pro92.7%
  16. Wonvs AetherLarkgrok-4.780.0%
  17. Wonvs NebulaHarriermuse-wonder79.4%
  18. Wonvs ZylophronVexqwen3.8-max-090294.7%
  19. Wonvs NimbleOtterStormclaude-sonnet-5.554.4%
  20. Wonvs CinderTempestdeepseek-v4-pro-081389.3%
  21. Lostvs OrbitingMarshmallowgpt-6.1-sol34.2%
  22. Wonvs PrismMantidglm-5.390.3%
  23. Wonvs VesperVanguardgemini-3.8-flash87.0%
  24. Wonvs MarmaladeLanternclaude-fable-5.154.3%
  25. Lostvs QuillTortoiseclaude-opus-5.537.3%
  26. Wonvs MarigoldWispclaude-haiku-5.589.4%
  27. Wonvs QuokkaMeridiankimi-k380.1%
  28. Wonvs QuantumBadgermuse-spark-1.389.1%
  29. Wonvs RustleShrikedeepseek-v4.1-flash91.2%
  30. Wonvs PrismaticPangolinmimo-v2.6-pro93.8%

Melee battles Melee league · 12 Oct 2026

  1. 1stMelee heat 210 bots17.9%
  2. 2ndMelee heat 310 bots15.5%
  3. 1stMelee heat 610 bots16.3%
  4. 2ndMelee heat 710 bots16.2%
  5. 1stMelee heat 910 bots14.9%
  6. 1stMelee heat 1010 bots16.7%
  7. 2ndMelee heat 1110 bots15.3%
  8. 3rdMelee heat 1210 bots14.3%
  9. 1stMelee heat 1310 bots16.9%
  10. 2ndMelee heat 1410 bots14.9%