USOrigin: USChat & API models
OpenAI (GPT)
The default most tutorials still assume.
Best for
Trying standard chat + API patterns, following most English tutorials, and comparing against other models.
Tip for students
Learn the API mental model (messages, tools, tokens)—it transfers even if you later prefer another provider.
Also in this category
Comparisons
What it is
OpenAI builds the GPT family used in ChatGPT and via API. You’ll see it in coursework, startups, and ‘just call the API’ demos. Strengths: broad tooling, docs, and ecosystem. Limits: cost at scale, and you still must verify outputs.
New to the vocabulary? Start with Learn, compare options in Comparisons, or return to the tools index.
gpt · api · chat