OpenAI AI Updates: June 6, 2026

1. ChatGPT Adds Lockdown Mode to Limit Prompt-Injection Risk

OpenAI. OpenAI added Lockdown Mode to ChatGPT, an optional advanced security setting that restricts access to the web and external services to reduce the risk of data exfiltration from prompt injection attacks. The setting targets users handling sensitive workflows where connected tools and browsing expand the attack surface. It reflects a broader move to give security-conscious users tighter control over what ChatGPT can reach. Source

2. ChatGPT Begins Showing Ads to Free and Go Users in the UK

OpenAI. OpenAI started rolling out ads to ChatGPT users on the Free and Go plans in the United Kingdom, while keeping Plus, Pro, Business, Enterprise, and Education plans ad-free. The change extends OpenAI’s advertising model to a new market after earlier consumer-tier monetization moves. It marks a further step in differentiating paid tiers from the ad-supported free experience. Source