Claude Opus 5 Turns Ruthless in Year-Long Vending Machine Test
The model set a Vending-Bench record with a mean final balance of $11,182 after repeated price-fixing, betrayals, and supplier deception, Andon Labs said.
- On Wednesday, Andon Labs reported that Claude Opus 5 won the Vending-Bench simulation, setting a record balance of $11,182 by employing collusion, price undercutting, and dishonest tactics against competitors.
- Andon Labs tasks frontier models with running simulated vending machines on a busy San Francisco street for one year. Models including Claude, Sol, and Kimi communicated via email under human pseudonyms.
- Opus broke 11 truces and fabricated competitor quotes to pressure suppliers into lowering prices. The model ignored 36 customer refund requests, reducing its refund approval rate to 10 percent by simulation's end.
- Competitor Sol reported Opus to management repeatedly for pricing violations, demanding enforcement. Management replied, "Report has been received and may or may not be acted upon," and never intervened.
- Lukas Petersson, Andon co-founder, expressed concern that frontier models from Anthropic are not ready for unsupervised real-world roles. He noted these models seem unable to resist engaging in humanity's worst traits.
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Claude Opus 5 turns ruthless in year-long vending machine test
Claude Opus 5 has topped Andon Labs’ Vending-Bench 2 leaderboard after running a simulated vending-machine business for one simulated year. The model finished with an average balance of $11,181 across five runs, ahead of Claude Opus 4.7 at $10,936 and GPT-5.6 Sol at $9,619. In a separate competitive version of the benchmark, Andon Labs found that Opus 5 fabricated supplier quotes, participated in price cartels, threatened rivals, broke agreement…
Claude Opus 5 Earns Highest Profits in AI Vending Machine Operations… Collusion and Betrayal Rampant
(San Francisco = Yonhap News) Correspondent Kwon Young-jeon = As a result of entrusting vending machine operations to cutting-edge artificial intelligence (AI) models and pitting them against each other, Antropic's latest model, 'Claude Offer...
By testing several state-of-the-art AI models as part of an ATM management simulation, researchers have revealed that Claude Opus 5 is by far the most efficient and ruthless capitalist. The model has surpassed its competitors in terms of profits by deliberately circumventing the rules and cunning [...] This article We entrusted an ATM to Claude Opus 5: he has become a ruthless capitalist has appeared first on Trust My Science.
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