The product OpenAI got mega traction with was based on the GPT series of papers, all of which were published by OpenAI and all of which are major advancements in research.
Also OpenAI was founded before the transformer paper and spent most of their early years focused on RL style research and products - just look at what they published pre 2019.
Also OpenAI was founded before the transformer paper and spent most of their early years focused on RL style research and products - just look at what they published pre 2019.