OpenAI Launches Chronicle: Screen Context Memory Feature for Codex with Local Data Storage
Key Takeaways
- ▸Chronicle stores all data locally on user devices as unencrypted files, not remotely on OpenAI servers, addressing privacy concerns while maintaining user control over stored memories
- ▸The feature is available as an opt-in research preview for ChatGPT Pro subscribers on macOS only, with regional restrictions excluding the EU, UK, and Switzerland
- ▸Users can pause or disable Chronicle at any time, with automatic deletion of screen captures after 6 hours and manual control over memory management
Summary
OpenAI has introduced Chronicle, a new opt-in research preview feature for Codex that captures and utilizes screen context to augment AI memory and reduce the need for users to restate context during interactions. The feature is currently available exclusively to ChatGPT Pro subscribers on macOS and uses sandboxed background agents to generate memories from captured screen images, storing them locally as unencrypted markdown files on the user's device rather than remotely on OpenAI's servers. Users can control Chronicle activation, pause it before sensitive activities like meetings, and manually manage stored memories through the Codex app settings. The feature requires macOS Screen Recording and Accessibility permissions and is not yet available in the EU, UK, and Switzerland due to regional privacy considerations.
Chronicle aims to streamline workflows by enabling Codex to understand what users are currently working on, identify relevant sources, and remember tools and workflows without explicit explanation. The system intelligently determines when to use screen context versus accessing direct sources like files, Slack threads, or dashboards. OpenAI has implemented safeguards including automatic deletion of screen captures older than 6 hours and user controls to pause Chronicle during sensitive activities, though the company acknowledges the feature currently consumes API rate limits quickly and presents risks including potential prompt injection attacks.
- Codex uses screen context intelligently, choosing between Chronicle memories and direct source access (files, Slack, Google Docs, dashboards) depending on what's most appropriate for the task
Editorial Opinion
Chronicle represents a pragmatic approach to AI memory augmentation by keeping sensitive screen data on users' devices rather than centralizing it on company servers—a crucial distinction in the ongoing tension between AI helpfulness and privacy. However, the numerous caveats—unencrypted storage, high rate limit consumption, prompt injection risks, and regional unavailability—suggest this remains a careful, measured rollout. OpenAI's transparency about limitations and user controls is commendable, though the security and privacy implications of screen capture-based memory warrant close monitoring as the feature matures beyond research preview status.



