Comparing Six AI Video APIs by Cost, Concurrency, and Reliability

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Most AI video work still starts in a browser tab: type a prompt, wait, download. That breaks down once a team needs 200 product clips a week, a video step inside an app, or an agent that renders drafts overnight. Video APIs move generation into code. In this article, we: how the requests work, a short working example, what matters once real traffic arrives, six APIs side by side, and the automation layer on top.

How API Video Generation Works

A video takes anywhere from under a minute to a few minutes to render, so no provider keeps an HTTP connection open until the file is ready. Every major video API follows the same three-part pattern.

  1. Submit a job. You send a POST request with the model, prompt, and settings. The API answers right away with a request ID and a status URL.
  2. Check the status.You poll the status...

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