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"Batch vs real-time: choose the processing mode before it chooses you"

Nobody decides to build everything real-time — it just happens, because request-and-response is how demos are built. Then volume arrives, and the bill and the rate limits arrive with it. Batch APIs run at half price; the question is what genuinely needs to be synchronous.

llm4 min read21 September 2026by Ahmed
"Batch vs real-time: choose the processing mode before it chooses you"

Nobody sits down and decides to process everything in real time. It happens by default, because request-and-response is how demos are built: you call the API, you wait, you show the result. The prototype works, it grows into the product, and a year later every document, every classification and every enrichment in the system runs through a synchronous path a human is rarely watching. Then volume arrives, and the bill and the rate limits arrive with it.

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