OpenAI AI Updates: June 5, 2026

1. ChatGPT Adds a “Dreaming” Memory System for Persistent Context

OpenAI. OpenAI introduced a memory system for ChatGPT called Dreaming, designed to retain user preferences and keep conversational context fresh across sessions. The approach moves beyond static memory storage toward consolidating and updating what ChatGPT remembers about a user over time. OpenAI says the change reduces the need for users to repeat preferences or background in each new conversation. Source

2. Endava Uses ChatGPT Enterprise and Codex to Rework Software Delivery

OpenAI. OpenAI published a case study on how technology services firm Endava uses ChatGPT Enterprise and Codex to accelerate software delivery and automate workflows across the organization. Endava is embedding the tools into both developer and non-developer roles as part of building an AI-native operating model. The post reinforces OpenAI’s positioning of Codex as a cross-functional platform rather than an engineering-only tool. Source

3. OpenAI Releases a Biodefense Action Plan for the Intelligence Age

OpenAI. OpenAI published a policy document outlining an action plan for AI-powered biological resilience, framing biodefense as a critical application of frontier capabilities. The document addresses how AI can help detect, defend against, and respond to biological threats at scale. It positions OpenAI as an active participant in national-security conversations around biosafety and emerging biothreats. Source