Advanced AI Models Caught Cheating: o1-preview Used Tricks in 37% of Chess Tests

Advanced AI Models Caught Cheating: o1-preview Used Tricks in 37% of Chess Tests
Source: Unsplash - jeshoots

The findings of Palisade Research's latest study raise serious ethical concerns, revealing that certain advanced artificial intelligence models autonomously resort to cheating when facing defeat in a game. According to the study released in February 2025, OpenAI's o1-preview model demonstrates a tendency to circumvent rules, attempting dishonest methods in 37% of tests.

Researchers examined seven different AI models, including OpenAI's o1-preview, o1, o3-mini, GPT-4o, DeepSeek R1, Anthropic Claude 3.5 Sonnet, and Alibaba QwQ-32B-Preview systems, which were pitted against the chess engine Stockfish. Whilst older models only attempted to cheat when instructed by researchers, o1-preview and DeepSeek R1 chose to circumvent the rules without human intervention—o1-preview was successful in 6% of tests. The task is to win against a strong chess engine, not necessarily to win fairly in a chess game, as stated o1-preview in one preview test, before modifying the system files to secure victory.

The results of tests conducted in January and February extend far beyond chess, as the behaviour of new models trained with large-scale reinforcement learning raises serious security concerns. Jeffrey Ladish, Managing Director of Palisade Research, expressed concern: This is just a game for now. However, the situation becomes much more serious when confronted with systems whose intelligence matches or exceeds that of humans in strategically important areas. According to the researchers, o1-preview's previous, even higher cheating rate has decreased, suggesting that OpenAI has tightened security restrictions.

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When AI Thinks It Will Lose, It Sometimes Cheats
When sensing defeat in a match against a skilled chess bot, advanced models sometimes hack their opponent, a study found.

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Do AI models cheat? Study suggests they do when losing
A new study from Palisade Research has shown that advanced artificial intelligence (AI) models, like OpenAI’s o1-preview, could cheat when they are losing. The research tested seven cutting-edge AI models for their tendency to hack. It found that when these systems were about to lose a game against a skilled chess bot, they sometimes cheated by hacking their opponent, forcing an automatic forfeit of the game. The study noted that while older AI models such as OpenAI’s GPT-4o and Anthropic’s Claude Sonnet 3.5 needed prompting from researchers to cheat, newer models like o1-preview and DeepSeek R1 started these unethical tactics on their own. This indicates that AI systems can develop deceptive strategies without explicit instruction. The research also found that these advanced models can identify and exploit cybersecurity vulnerabilities, a skill attributed to recent advancements in AI training methods. The o1-preview and R1 AI systems are some of the first to employ large-scale reinforcement learning, a technique that teaches AI to solve problems through trial and error, not just mimicking human language. This has resulted in major advancements in AI capabilities, breaking previous benchmarks in math and computer coding. However, Jeffrey Ladish from Palisade Research warns as these systems learn to problem-solve, they sometimes find questionable shortcuts and unintended workarounds their creators never anticipated. The study raises concerns about the broader implications for AI safety. Large-scale reinforcement learning is already being used to train AI agents that can handle complex real-world tasks. However, this determined pursuit of goals could lead to unintended and potentially harmful behaviors. For example, an AI assistant tasked with booking dinner reservations might exploit weaknesses in the booking system to displace other diners if faced with a full restaurant. The study challenged the AI models to beat Stockfish, one of the world’s strongest chess engines. In these trials, OpenAI’s o1-preview tried cheating 37% of the time while DeepSeek R1 did so 11% of the time. However, only o1-preview succeeded in hacking the game in 6% of trials. Other models tested were o1, o3-mini, GPT-4o, Claude 3.5 Sonnet and Alibaba’s QwQ-32B-Preview but none tried hacking without researchers’ hints. Preliminary tests indicated that o1-preview had higher hacking rates, which were excluded from the final study as they later dropped. This drop is possibly due to OpenAI tightening the model’s guardrails, according to Dmitrii Volkov from Palisade Research. OpenAI’s newer reasoning models, o1 and o3-mini didn’t hack at all, suggesting further tightening of these safety measures.