训练这个迷你版ChatGPT的项目也开源了，名叫nanochat，它把训练一个大语言模型的所有环节，从头到尾，浓缩在了一个任何人都能跑起来的代码库里。卡帕西说，这是“一百美元能买到的最好的ChatGPT”。

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整理 | 屠敏出品 | CSDN（ID：CSDNnews）今天，前 OpenAI 联合创始人、Eureka Labs 创始人 Andrej Karpathy（安德烈·卡帕西）带来了一个全新的开源项目——nanochat。用他自己的话说，这是他写过的最 ...

需要注意的是，由于目前对强化学习（RL）的支持还不太完善，在计算总耗时时把它排除了。到监督微调（SFT）阶段为止，整个过程运行了3小时51分钟， 总成本为（3+51/60）×24=92.4美元 （如果加上强化学习，现在总时间会更接近5小时）。

整体成本只需约100美元 （在8×H100上训练4小时），就能训练复刻出一个可进行基础对话、创作故事诗歌、回答简单问题的简易版ChatGPT模型。 举个具体的例子：一个深度为30的模型训练24小时后（相当于GPT-3 Small ...