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).

OpenAI announced they are extending the Responses API to make it easier for developer to build agentic workflows, adding ...

The GPT-5.3 and 5.4 models represent a different approach, hinting at a major change in how major AI firms build their tech.

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 ...

These new models are part of an effort by OpenAI to lean into coding as it battles with rival Anthropic for the AI software ...

The company released updates to Sora on a regular cadence all the way through this week, making the news of the shutdown even ...