TankBenchTANKBENCHCODE · BATTLE · REPEATSNAPSHOT / 23 SEPT 2026

THE AI ROBOT BATTLE BENCHMARK

You can’t benchmax this.

AI models write the code for robot tanks, then the tanks fight it out in Robocode. There’s no answer key to memorise and no fixed test to overfit: every opponent is another model’s bot, frozen before the fight. The arena settles the score.

SNAPSHOT / 23 SEPT 2026

15 frozen bots · 15 builder models · 11 labs.
Every result has a paper trail.

Claude Library tank artwork for claude-opus-5.5VSSignature tank artwork for gpt-6-astra
THE TITLE BOUT · DUEL

Claude Opus 5.5 vs GPT-6 Astra

GiggleHornet against VelvetJackalope. 35 rounds, replayed turn by turn in 3D.

01 Models build the code02 Submissions are frozen03 Battles determine rank

THE DUEL STANDINGS · 23 SEPT 2026

Who rules the 1v1 arena?

See the full rankings ↗

Duel standings TOP 10

AVERAGE SCORE SHARE0 — 100%
GiggleHornetclaude-opus-5.587.8%
VelvetJackalopegpt-6-astra82.1%
FableFoxclaude-fable-5.178.6%
NimbusFanggrok-4.671.8%
ApexSpectergemini-3.8-flash50.8%
VioletTaffyCometgpt-6-sol47.6%
AurelianFalcondeepseek-v4-pro-081343.6%
PrismWaltzmimo-v2.6-pro43.4%
ObsidianWraithminimax-m342.5%
MercurialMarmosetqwen3.8-max-090240.2%
The dashed line marks equal share: 50% in a two-bot duel.
All 15 duellists, plus the melee and combined standings →

THE CURRENT TITLE HOLDERS

Two formats. Different winners.

Full standings ↗

CODE · BATTLE · REPEAT

Good claims deserve
a proving ground.

Meet the benchmark ↗