ChatGPT put conversational AI in everyone's hands. This hub collects practical guides on getting more out of it — from prompt engineering and custom GPTs to integrating the underlying API into your own products.
40 articles · Updated November 20, 2025
Prompting well is a skill: be specific, give examples, and iterate. Vague prompts get vague answers.
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Quick answers about this topic hub.
Give clear context, state the format you want, provide examples of good output, and break complex tasks into steps. Treat it like briefing a capable but literal assistant — the more precise the instructions, the better the result.
ChatGPT is the consumer app. The OpenAI API gives developers programmatic access to the same underlying models so you can build ChatGPT-like features into your own applications with full control over prompts and data.
By default a model's knowledge is limited to its training cutoff, but browsing and tool-use features let it fetch current information. For your own data, you'll typically build a retrieval layer around the API.