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 Group PBC and Mistral AI SAS today introduced new artificial intelligence models optimized for cost-sensitive use cases. OpenAI is rolling out two algorithms called GPT-5.4 mini and GPT 5.4 nano to its cloud services.

OpenAI has launched GPT 5.4 mini and GPT 5.4 nano, the company's most capable small AI models yet: Here's how to use them

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. A few days ago, on November 26th, right before Thanksgiving, OpenAI, the maker of ChatGPT, confirmed a recent security breach incident that ...

OpenAI Group PBC today launched a new large language model that it says is more adept at automating work tasks than its earlier algorithms. GPT-5.4 is available in ChatGPT, the Codex programming tool and OpenAI’s application programming interface.

OpenAI released GPT-5.4 today with native computer use, a 1M-token context window, and new professional benchmarks. Find what's genuinely new.

Threat actors are weaponizing the OpenAI Assistants Application Programming Interface (API) to deploy a backdoor and manage compromised devices remotely. The backdoor was discovered by Microsoft Incident Response’s Detection and Response Team (DART ...

OpenAI's $110B funding includes AWS as the exclusive third-party distributor for the Frontier agent platform, introducing an architectural split: Azure retains stateless API exclusivity; AWS gains stateful runtime environments via Bedrock.