OpenAI GPT-3 is now indeed Open Open AI released GPT-3 model which is available via API. Which tasks can you solve? Quite a lot if you write a corresponding prompt — translation, paraphrasing, summarization, question-answering, etc. You can register here and already can start playing with this monster! Of course, at some point there is a need to pay, but for the first start a lot of tokens are available for free. Send you results in the discussions!