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Inference

Inference is the process of using a trained AI model to generate predictions or outputs from new inputs. When you send a prompt to ChatGPT or Claude and receive a response, the model is performing inference — applying its learned patterns to produce output tokens one at a time. Inference speed, cost, and quality are key considerations when deploying AI applications.

Example

A company deploys a fine-tuned model on their servers. Each time a user submits a support ticket, the model runs inference to classify the ticket priority (P1-P4) and suggest a response — taking about 200ms per request and costing approximately $0.002 per inference call.

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