GPT-4o

Master GPT-4o — OpenAI's omni-modal workhorse. Learn vision, audio, native tool use, structured outputs, and the patterns that ship most production OpenAI apps today.

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6

Lessons

💻

Code Examples

✅

Production-Ready

100%

Free

Lessons in This Model

Work through these 6 lessons in order, or jump to whichever topic you need most.

GPT-4o Overview

Beginner

GPT-4o Vision

Intermediate

GPT-4o Audio (Realtime)

Advanced

GPT-4o-mini for Cost

Intermediate

Structured Outputs

Intermediate

GPT-4o in Production

Advanced