API-hosted LLM

A cloud-based service providing programmatic access to state-of-the-art Large Language Models (LLMs), such as GPT-4 or Claude 3, via a secure REST API endpoint.

API-hosted LLMs deliver instant, scalable access to powerful generative AI models (e.g., GPT-4o, Llama 3) without requiring internal GPU infrastructure management. Developers integrate the service using a standard REST API, authenticating via an API key and paying per token consumed. This operational model abstracts away critical serving complexities: the provider handles high-performance hardware provisioning, ensures low-latency inference, and manages auto-scaling for massive traffic spikes. The result is rapid deployment of AI features—like advanced chatbots, content generation, or code analysis—allowing engineering teams to focus exclusively on application logic and feature delivery.

https://platform.openai.com/docs/api-reference