GPT-4o

Generative Pre-trained Transformer 4 Omni (GPT-4o)
Developer(s)OpenAI
Initial releaseMay 13, 2024 (2024-05-13)
Preview release
ChatGPT-4o-latest (2025-03-26) / March 26, 2025 (2025-03-26)
PredecessorGPT-4 Turbo
Successor
Type
LicenseProprietary
Websiteopenai.com/index/hello-gpt-4o

GPT-4o ("o" for "omni") is a multilingual, multimodal generative pre-trained transformer developed by OpenAI and released in May 2024.[1] GPT-4o is free, but ChatGPT Plus subscribers have higher usage limits.[2] It can process and generate text, images and audio.[3] Its application programming interface (API) is faster and cheaper than its predecessor, GPT-4 Turbo.[1]

  1. ^ a b Wiggers, Kyle (May 13, 2024). "OpenAI debuts GPT-4o 'omni' model now powering ChatGPT". TechCrunch. Retrieved May 13, 2024.
  2. ^ Field, Hayden (May 13, 2024). "OpenAI launches new AI model GPT-4o and desktop version of ChatGPT". CNBC. Retrieved May 14, 2024.
  3. ^ Colburn, Thomas. "OpenAI unveils GPT-4o, a fresh multimodal AI flagship model". The Register. Retrieved May 18, 2024.

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