OpenAI Academy
OpenAI's official learning hub — free courses on prompting and AI app development.
Why it's listed
Official source, kept in sync with model updates — no outdated tricks here. Covers prompting and basic app development, fitting devs who want to move from API calls to building their own. If you're already using OpenAI models, this is the most efficient path.
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Learn Prompting
Free prompting academy — systematic courses from basics to advanced techniques.
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