OpenAI has sent out emails notifying API customers that its chatgpt-4o-latest model will be retired from the developer platform in mid-February 2026. Access to the model is scheduled to end on ...

OpenAI inference cost reduction cut ChatGPT guest traffic from tens of thousands of Nvidia GPUs to just a couple hundred, using software optimization alone. Engineers achieved more than 50% savings ...

Developers and ChatGPT subscribers who relied on GPT-5.2 Thinking now face a forced migration. OpenAI has replaced GPT-5.2 Thinking with GPT-5.4 Thinking for Plus, Team, and Pro users, while ...

A few days ago, on November 26th, right before Thanksgiving, OpenAI, the maker of ChatGPT, confirmed a recent security breach incident that started towards the beginning of November, which impacted ...

OpenAI has introduced two new AI models, ChatGPT 5.4 Mini and ChatGPT 5.4 Nano, aimed at providing more accessible and cost-efficient options for developers and businesses. As highlighted by Universe ...

OpenAI dropped GPT‑5.4 this week, and the company said ChatGPT power users should notice improvements right away. The launch comes just days after the launch of GPT-5.3 Instant, a more conversational ...

Following an update to how ChatGPT models react to users, OpenAI is rolling out an even newer version to cater to complex problems with ChatGPT-5.4. Just a couple of days prior to OpenAI’s recent ...

GPT-5.5 lands seven weeks after the release of GPT-5.4, which arrived on March 5. OpenAI says the newest model “understands what you’re trying to do faster” and that it can “carry more of the work ...

The release of ChatGPT 5.5 represents a notable step forward in OpenAI’s development of AI systems, addressing key challenges like efficiency and intent preservation. According to Matt Maher, ChatGPT ...

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 ...