Vision (Image Understanding)

GPT-4o understands images natively—upload a photo, screenshot, chart, or diagram and ChatGPT will analyze it. **Available on all plans including free**, subject to your plan's message quota. Works across web, desktop, iOS, and Android. Also accessible via the OpenAI API using the `gpt-4o` model.

Available on: Windows macOS iOS Android web API

Verified: 2026-03-22

Sources: https://openai.com/index/hello-gpt-4o/, https://chatgpt.com/pricing