The release of OpenAI’s biggest model ever exposes the tension between building artificial general intelligence and making ...

The signs that large-language models are starting to hit a ceiling in capabilities regardless of how much money and computing ...

OpenAI CEO Sam Altman has announced that GPT-4.5 will "likely" begin rolling out to ChatGPT Plus subscribers "over a few days ...

OpenAI’s GPT-4.5 faces backlash over high costs, limited improvements, and rising competition from open-source AI models.

ChatGPT can put words in front of other words, but it can't add meaning to them without intent.

To access GPT-4.5’s API, OpenAI is charging developers $75 for every million input tokens (roughly 750,000 words) and $150 for every million output tokens ...

Despite its larger size, GPT-4.5 only provides a marginal improvement over GPT-4o. However, it costs 30 times more for input ...

Explore key differences, creative applications, and whether the price increase is justified for your needs. Uncover GPT-4.5 ...

The tools are part of OpenAI’s new Responses API, which lets businesses develop custom AI agents that can perform web ...

To support developers, OpenAI is also launching the Agents SDK, an open-source toolkit designed to help integrate AI agents ...

When using Responses API to create an AI agent, developers can choose from two models: GPT-4o search and GPT-4o mini search.

A high-profile ex-OpenAI policy researcher, Miles Brundage, took to social media on Wednesday to criticize OpenAI for ...