I test-drove both. Here’s what I learned. In early March, OpenAI unleashed a one-two punch, dropping two major frontier models just days apart.

Sam Altman's OpenAI has been testing ads on ChatGPT since February. There's a reason you might not have actually seen any yet ...

OpenAI (OPENAI) has launched GPT‑5.4 mini and nano, its most capable small models yet, according to the ChatGPT maker.

Artificial intelligence is rapidly moving beyond chatbots and simple automation. With the introduction of GPT-5.4, OpenAI is positioning its newest foundation model as a tool built for demanding ...

Personality is ChatGPT-5.4’s real appeal ...

OpenAI said late Friday night it reached an agreement with the U.S. Department of Defense to deploy its large language models onto military classified networks. The ...

OpenAI released ChatGPT 5.4 Mini and ChatGPT 5.4 Nano, smaller models tuned for low latency and cost, with Nano priced at ...

Mentor Public Library is offering a free introduction to ChatGPT at 6:30 p.m. April 6  at its Lake Branch, 5642 Andrews Road in Mentor-on-the-Lake. ChatGPT is a popular application from OpenAI that’s ...

OpenAI's new GPT-5.4 Mini and GPT-5.4 Nano models bring better performance on the company's lower-cost tiers than the previous lightweight models.

OpenAI has introduced two smaller artificial intelligence models, GPT-5.4 mini and GPT-5.4 nano, signalling a push towards lower-cost, faster systems designed for large-scale deployment and ...

On Thursday, OpenAI released GPT-5.3-Codex, a new model that extends its Codex coding agent beyond writing and reviewing code to performing a much wider range of work tasks. The release comes as ...

The 2026 CNBC Disruptor 50 list will be revealed Tuesday, May 19th OpenAI is in discussions with Amazon about a potential investment of $10 billion or more, though that number isn't set, CNBC ...