Why are open-source models hard to use? Llama, Mistral... how do you even use them?

Also, you can use Meta’s Llama by going to your DMs, composing a new message, and clicking “Meta AI”! Meta uses their own open source model, Llama, for their AI bot, which is integrated into Instagram. It’s currently using Llama 4, which came out in early April!

One clarifying point: at the end, when I say that the intermediary services are just charging for the cost of their compute, they of course may have other costs, for example paying software engineers or designers, but what I mean is they are not paying to train the model since they are using a model that was already trained and offered for free online.

Let me know what questions you have in the comments, and what else you want to learn or discuss about AI.

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Hi, I’m Harper, AI educator, engineer and advisor.

••• My goal is to democratize AI, so everyone can understand it, use it, and make informed decisions about it. Happy you’re here. •••

I have two degrees in Computer Science specializing in Artificial Intelligence from @Stanford, experience teaching PhD-level AI courses there, and 4+ years building AI at @Facebook I was Founding Engineer and then Head of AI/ML at a startup that was acquired by @NVIDIA, and that’s where I began my AI teaching journey.

Follow me if you want to learn about AI, and let me know in the comments if there’s anything specific you want to learn about. 

Artificial intelligence | machine learning | learn to code | open source
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