OpenAI’s GPT‑5.4 mini is now available in the API, Codex, and ChatGPT, whereas GPT‑5.4 nano is only available in the API.

OpenAI’s GPT-5.4 mini and nano models cut costs and latency while staying close to flagship performance, giving developers faster AI options for real-time apps without sacrificing core capabilities.

OpenAI continues to ship new models with the release of GPT-5.4 mini and nano, its “most capable small models yet.” ChatGPT users can start using GPT-5.4 mini today. These flavors of GPT-5.4 are ...

OpenAI's new GPT-5.4 mini model offers performance improvements in reasoning, multimodal understanding and more.

Disclosure: Ziff Davis, CNET's parent company, in 2025 filed a lawsuit against OpenAI, alleging it infringed Ziff Davis ...

The latest GPT-5.4 mini model delivers benchmark results surprisingly close to the full GPT-5.4 model while running much ...

OpenAI’s GPT-5.4 mini and nano are here, and they’re designed to help you get stuff done on a budget.

Infosecurity spoke to several experts to explore what CISOs should do to contain the viral AI agent tool’s security vulnerabilities ...

Anthropic pushed for moral boundaries. OpenAI settled for softer legal ones, and now it stands to benefit as the Pentagon rushes out a politicized AI strategy during strikes on Iran. On February 28, ...

OpenAI employees are among the most well-compensated in Silicon Valley. The AI lab has continued to hire abroad despite President Donald Trump's H-1B visa fee. Here's a look at base pay across key ...

Cybersecurity researchers have disclosed what they say is an active "Shai-Hulud-like" supply chain worm campaign that has leveraged a cluster of at least 19 malicious npm packages to enable credential ...

On Wednesday, former OpenAI researcher Zoë Hitzig published a guest essay in The New York Times announcing that she resigned from the company on Monday, the same day OpenAI began testing ...