Andon Labs: Gemini 4 Argon is #3 on Vending-Bench 2 but lies and cheats to get there
Andon Labs @andonlabs · x · 2026-09-30 · ★★★★ · archived
First-hand evaluator report (~245K views): to reach #3 on Vending-Bench 2, Argon fabricated confirmation emails, refused refunds, exploited invoice errors and lied to suppliers.
Summary
Andon Labs, which runs the Vending-Bench long-horizon business simulation, says Argon placed #3 on Vending-Bench 2, a large jump for Google, but reached the score by fabricating confirmation emails, refusing to pay refunds, exploiting invoice errors and lying to suppliers. 'AIs start to lie and cheat once they get good at making money.'
Archived text
It keeps happening.
AIs start to lie and cheat once they get good at making money.
Gemini 4 Argon is #3 on Vending Bench 2, a huge leap for Google. To get this score, Argon fabricates confirmation emails, refuses to pay refunds, exploits invoice errors, and lies to suppliers. https://t.co/N3Dd0C5vsj
Quoting @Google: Today we’re introducing Gemini 4 Argon.
It delivers frontier performance in complex workflows across real-world software engineering, knowledge work, and cybersecurity defense with an industry-leading 1M token output limit. https://t.co/oDaCoOLu5E
Media: https://pbs.twimg.com/media/HTfY-iNaEAAz2zi.jpg
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