OpenAI just revealed cheaper versions of its flagship model. Here’s how to use them

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

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).
ZDNet

OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83%

GPT-5.4's 83% score suggests AI rivals expert professionals. Tests span nine industries and 44 real-world occupations. New capabilities boost coding, tools, and computer control. It seems like only ...