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developer-tools llms ai-agents model-management extensibility

OSS ChatGPT WebUI – 530 Models, MCP, Tools, Gemini RAG, Image/Audio Gen

llmspy.org

January 26, 2026

20 min read

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30/100

Summary

Version 3 introduces over 530 models from 24 providers through models.dev integration. New features include a redesigned model selector with search and filtering options, a flexible plugin architecture for extensions, and Gemini RAG for managing Gemini File Search.

Key Takeaways

The v3 release includes access to over 530 models from 24 providers through models.dev integration.
A redesigned model selector features search, filtering, sorting, and favorites for improved user experience.
The release introduces a flexible plugin architecture for extensions, allowing users to add features and customize the UI.
New functionalities include first-class Python function calling, desktop automation capabilities, and built-in support for image and audio generation.

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Community Sentiment

Mixed

Positives

The new OSS ChatGPT WebUI offers a more flexible interface, enhancing user experience and potentially broadening its application across various use cases.
The improved licensing model and features of this UI may attract users frustrated with previous limitations, fostering greater adoption and innovation.

Concerns

Concerns about state management in long-running agent loops highlight potential complexities in orchestration, which could hinder reliability in practical applications.