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).
WebFX reports OpenAI's launch of ChatGPT Apps and SDK enables seamless user interactions and providing developers tools to reach 800M users.
Using an AI coding assistant to migrate an application from one programming language to another wasn’t as easy as it looked. Here are three takeaways.