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GPT-4o mini

Published byDev AI
9/9/2025

Endpoints

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Ungrouped Endpoints
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What is the GPT-4o mini API?

GPT-4o mini (“o” for “omni”) is a fast, affordable small model for focused tasks. It accepts both text and image inputs, and produces text outputs (including Structured Outputs). It is ideal for fine-tuning, and model outputs from a larger model like GPT-4o can be distilled to GPT-4o-mini to produce similar results at lower cost and latency.

GPT-4o mini API is available on the JoJ API marketplace. Subscribe with a single JoJ API key, call it through one gateway, and pay from one wallet — no separate account or contract with the provider.

GPT-4o mini API endpoints

  • POST/chat/completions

    Chat Completions

    Creates a model response for the given chat conversation