OpenAI AI Updates: August 1, 2026

1. OpenAI to Retire GPT-5.4 and GPT-5.4 Mini From Codex on August 31

OpenAI. OpenAI will retire GPT-5.4 and GPT-5.4 mini from Codex on August 31, 2026, according to the Codex changelog. Developers are advised to migrate their configurations before the deadline, replacing gpt-5.4 with gpt-5.6-terra. Source

2. OpenAI Details Full-Stack Strategy for Building Abundant Intelligence

OpenAI. OpenAI outlined a full-stack strategy for making advanced AI more capable, affordable, and widely available, spanning models, infrastructure, and compute. The post frames the company’s investments as an effort to scale access and lower the cost of deploying AI workflows. Source

3. OpenAI Publishes Approach to Responsible AI Governance in Europe

OpenAI. OpenAI published a post detailing how its safety, security, transparency, and provenance practices align with responsible AI governance in Europe. It outlines the company’s approach to supporting European regulatory frameworks and content provenance standards. Source