OpenAI just dropped a new AI model that’s designed to sound like an actual, human conversation partner—and the company says it marks progress towards building AGI. For years, OpenAI has been investing in the development of AI tools that can speak in humanlike voices. That’s sometimes led to controversy, as when the company debuted a voice assistant that sounded suspiciously similar to Scarlett Johansson. The various shortcomings of AI assistants, meanwhile, such as their difficulty in understanding context, has become a fertile source of mockery on social media. Now the company is hoping to turn the page on its AI…