Over the past 12 business days, OpenAI has announced a new product or demoed an AI feature every weekday, calling the PR event "12 days of OpenAI." We've covered some of the major announcements, but we thought a look at each announcement might be useful for people seeking a comprehensive look at each day's developments. The timing and rapid pace of these announcements—particularly in light of Google's competing releases—illustrates the intensifying competition in AI development.