OpenAI launches GPT-5.4 with native computer use mode, financial plugins for Microsoft Excel, Google Sheets

The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some tasks) than its predecessors).
CNET on MSN

OpenAI's latest AI models are built for speed

OpenAI's Latest AI Models Are Built for Speed
ZDNet

You'll code faster and spend less with OpenAI's new GPT-5.1 update - here's how

GPT-5.1 speeds up coding with adaptive and no-reasoning modes. New prompt caching cuts API costs for embedded app developers. New tools make AI agents more capable inside modern IDEs. OpenAI is back with a new 5.1 update to its previous GPT-5 large ...
VentureBeat

OpenAI unveils AgentKit that lets developers drag and drop to build AI agents

OpenAI launched an agent builder that the company hopes will eliminate fragmented tools and make it easier for enterprises to utilize OpenAI’s system to create agents. AgentKit, announced during OpenAI’s DevDay in San Francisco, enables developers and ...
SiliconANGLE

Mixpanel breach compromises some OpenAI API users’ account data

A breach at data analytics provider Mixpanel Inc. has compromised the account information of some OpenAI Group PBC users. The ChatGPT developer disclosed the incident on Wednesday. Mixpanel’s namesake analytics platform enables companies to collect data ...
AOL

Microsoft and OpenAI's new for-profit deal gives Windows maker 27% stake

Microsoft (MSFT) and OpenAI (OPAI.PVT) announced on Tuesday that they have reached a new agreement that lets the ChatGPT developer move forward with its plans to transform into a for-profit public benefit corporation. Under the new agreement, Microsoft ...