An OpenAI Rival Developed a Model That Appears to Have ‘Metacognition,’ Something Never Seen Before Publicly by TopTechTrends Anthropic’s Claude 3 Opus did something never before seen from an AI model in internal tests: It recognized when a piece of its data seemed out of place and hypothesized that the detail was either a joke or a test. About The Author TopTechTrends See author's posts