What Are ChatGPT and Its Friends?
O'Reilly
MARCH 23, 2023
It can pretend to be an operating system. GPT-2 is open source. GPT-3 and GPT-4 are not open source, but are available for free and paid access. LaMDA Developed by Google; few people have access to it, though its capabilities appear to be very similar to ChatGPT. PaLM Also developed by Google.
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