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).

Abstract: The quality of modern software relies heavily on the effective use of static code analysis tools. To improve their usefulness, these tools should be evaluated using a framework that ...

Andrej Karpathy stripped down the LLM architecture and loss function to basic mathematical operations. Andrej Karpathy, a former researcher at OpenAI and the founder of AI-native education company ...

The Jeffrey Epstein case feels less like a closed criminal investigation and more like a Sherlock Holmes mystery. The man at the centre is dead. His closest associate is in prison. And yet the ...

Beta: This SDK is supported for production use cases, but we do expect future releases to have some interface changes; see Interface stability. We are keen to hear feedback from you on these SDKs.

SlipCover is a fast code coverage tool. It tracks a Python program as it runs and reports on the parts that executed and those that didn't. That can help guide your testing (showing code that isn't ...