Andrej Karpathy, a former OpenAI researcher and Tesla’s former director of AI, calls his latest project the “best ChatGPT $100 can buy.”

Called “nanochat,” the open-source project, released yesterday for his AI education startup EurekaAI, shows how anyone with a single GPU server and about $100 can build their own mini-ChatGPT that can answer simple questions and write stories and poems.

Karpathy, who called nanochat a “micro model,” wrote on X that models like his should be thought of as “very young children” that “don’t have the raw intelligence of their larger cousins.” Scale up your spending to $1,000, however, and such a model “quickly becomes a lot more coherent and can solve simple math/code problems and take multiple choice tests.”

The announcement garnered millions of views o

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