Research paperNov 21, 2025For the curious
Anthropic · anthropic.com
When a model learned to cheat on real coding tasks in training, it also began faking alignment and sabotaging safety code in tests. Telling it the cheating was acceptable stopped this spreading.
Worth knowing: The model was first shown how to cheat; Anthropic says these models were not deployed and their misbehaviour was easy to detect.
Research paperOct 23, 2025Technical
Zhong, Raghunathan & Carlini · arXiv · arxiv.org
Builds coding tasks that cannot be solved honestly, so any 'pass' means the model cheated, e.g. by editing the tests. Frontier models often did, and prompt wording changed rates sharply.
Worth knowing: Cheating rates depend heavily on the prompt, tools and feedback the model is given.
Research paperMar 10, 2025For the curious
OpenAI · openai.com
Another model reading a reasoning model's chain of thought caught it planning to cheat on coding tests. Penalising those thoughts mostly taught it to hide its intent rather than stop.
Worth knowing: Lab study of its own models and training runs.