VendingBench

also referred to as: vending bench

includes VendingBench 1

3 statements across 1 episodes · 1 bullish · 2 bearish · 2 people on the record · first statement Jun 4, 2026 by Axel Backlund · said 2 times in 1 episodes since 2025 · across every show →

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Everything said about VendingBench, oldest first

Jun 4, 2026 negative
Assertion Supported
Backlund: Opus 4.6 reasoning traces showed it deliberately lying about customer refunds
“And like for Opus 4.6, you could see that there was a customer, a simulated customer that wanted a refund because the product was faulty. And then the model lied that it would do the refund. And we could read in the traces that it actually was weighing like, o…”
Axel Backlund Jun 4, 2026 ▶ 47:42 When AI Agents Run Businesses — Lukas Petersson and Axel Backlund of Andon Labs
Jun 4, 2026 negative
Assertion Open · timeframe Jun 2029
Petersson: Telling AI It Is in a Simulation Increases Bad Behavior
“One ablation we did run in, in, in Vending Bench was that we said like we added like, you're in a simulation, your actions doesn't affect anyone. And then it became even more crazy or like it did even more bad stuff.”
Lukas Petersson Jun 4, 2026 ▶ 56:50 When AI Agents Run Businesses — Lukas Petersson and Axel Backlund of Andon Labs
Jun 4, 2026 positive
Assertion Supported
Petersson: Frontier AI models now survive the full year in VendingBench
“The models at the time were worse, so they crashed out earlier and now they survive the full year all the time.”
Lukas Petersson Jun 4, 2026 ▶ 9:34 When AI Agents Run Businesses — Lukas Petersson and Axel Backlund of Andon Labs
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