Node.js is a JavaScript runtime built on Google's V8 engine, not a web framework on its own, while FastAPI is a Python web framework built on Starlette and Pydantic that requires Python 3.10 or newer. Because Node.js needs a library like Express or Fastify to build an API, the stricter technical comparison is FastAPI against one of those, but this page compares the two as ecosystems, since that is how the choice usually comes up when picking a backend stack.
Related Node.js Questions And Answers
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