ModelRefs / Warm Pool — AI Glossary

Warm Pool — AI Glossary

A set of pre-initialized, idle inference workers held ready to handle requests without cold-start delay. This trades idle GPU cost against cold-start latency.

Overview

Inference providers maintain warm pools by keeping a minimum number of GPU replicas loaded with model weights. This trades idle GPU cost against cold-start latency. Most providers expose minimum replica settings. Warm pools are the standard approach for latency-sensitive production endpoints.

Reference details

Topicinference
Last reviewed2026-06-24

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Frequently asked questions

What is Warm Pool?

A set of pre-initialized, idle inference workers held ready to handle requests without cold-start delay.

What concepts are related to Warm Pool?

Closely related concepts include cold start, serverless inference, gpu utilization.