What Are ChatGPT and Its Friends?
O'Reilly
MARCH 23, 2023
GPT-2 is open source. GPT-3 and GPT-4 are not open source, but are available for free and paid access. Facebook released a previous model, OPT-175B , to the open source community. BLOOM An open source model developed by the BigScience workshop. with specialized training.
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