An open-source web user interface for ChatGPT has reached version 4, bringing a substantial set of new features including project organization, customizable agent profiles, server-side tools, and simplified sharing capabilities. The release, spotted on Hacker News earlier this week, represents one of the more significant updates to self-hosted LLM interfaces in recent memory.
Projects Feature Brings Organization to Chat Sessions
The new Projects functionality allows users to group related conversations and prompts together, making it easier to manage multiple workstreams or client engagements. This addresses a common pain point for power users who juggle dozens of concurrent threads—the previous model essentially treated every conversation as an isolated interaction with no built-in categorization system.
Agent Profiles Enable Role-Based Customization
Agent Profiles represent another major addition, letting users define distinct personas and configurations that the AI adopts during conversations. A developer might maintain separate profiles for code review, documentation writing, and debugging assistance, each with tailored instructions and behavioral parameters baked in from the start rather than manually specified each session.
Server Tools Expand Self-Hosting Capabilities
The server-side tooling improvements cater specifically to organizations running their own deployments. System administrators gain more granular control over resource allocation, access management, and usage monitoring without relying on external dashboards or third-party monitoring solutions. One-click sharing removes friction from distributing prompts and conversation templates across teams. Users can generate shareable links that preserve the full context of a chat session—including system instructions and agent configurations—so collaborators receive an identical working environment rather than just text transcripts.
Key Takeaways
- Projects feature enables conversation organization for multi-threaded workflows - Agent Profiles allow role-based AI persona customization - Server tools give self-hosters improved administrative control - One-click sharing preserves full context including system instructions The release underscores the growing maturity of open-source alternatives to proprietary LLM interfaces. As more organizations seek to maintain data sovereignty and avoid per-token pricing models, projects like this fill an important niche in the ecosystem.
The Bottom Line
OSS ChatGPT WebUI v4 is a meaningful step forward for self-hosted LLM access, with Projects and Agent Profiles being particularly welcome additions that bring structure to what was previously a flat conversation list. If you're running your own deployment or want more control over your AI interactions than the official interface provides, this update deserves attention.