GPT-4o ("o" for "omni") is a multilingual, multimodal generative pre-trained transformer developed by OpenAI and released in May 2024. [2] It can process and generate text, images and audio. [3][4] …

Feb 15, 2025 · Sam Altman took to X on Saturday to contend that the latest updates to ChatGPT 4o make it the "best search product" online.

Since May 14, GPT-4.1 has been available for users subscribed to the ChatGPT Plus and Pro plans, and GPT-4.1 mini that replaces GPT-4o mini is available for all ChatGPT users. [5]

6 days ago · In response, Altman said users subscribed to ChatGPT Plus would still be able to use GPT-4o. GPT-5 is the default model for non-subscribers, and OpenAI said it is designed for casual users.

On May 13, 2024, OpenAI introduced GPT-4o ("o" for "omni"), a successor to GPT-4 that marks a significant advancement by processing and generating outputs across text, audio, and image …

May 13, 2024 · The new model, called GPT-4o, is an update from the company’s previous GPT-4 model, which launched just over a year ago.

Upon release, GPT-4o was free in ChatGPT, though paid subscribers had higher usage limits. [151] GPT-4o was removed from ChatGPT in August 2025 when GPT-5 was released, but OpenAI …

Jun 1, 2025 · When reached for comment, a spokesperson for OpenAI directed Business Insider to the company's recent statements on sycophancy in GPT-4o and an early study of emotional well-being.