OpenAI's computer-using agents can now operate almost any app the way a person does, clicking and typing through software that never got an API, and the team building them says they're close to beating expert humans on speed. Ari Weinstein works on OpenAI's consumer computer use products, and James Sun works on the enterprise side. Both were startup founders before joining OpenAI. They join a16z's Seema Amble and Fabrizio Serafini to discuss what OpenAI's Astra model changed for computer use,…