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[ARTICLE · art-65769] src=llmspy.org ↗ pub= topic=artificial-intelligence verified=true sentiment=↑ positive

OSS ChatGPT WebUI v4 – Projects, Agent Profiles, Server Tools, Publishing

The open-source project llms.py released version 4 of its ChatGPT WebUI, a self-hosted AI gateway supporting text, image, and audio generation across 530+ models from 24 providers. The update introduces agent profiles, server tools, project isolation, and a publishing feature that lets users showcase creations in a public gallery.

read3 min views1 publishedJul 20, 2026

The self-hosted, OpenAI-compatible AI gateway for text, image & audio — a lightweight CLI, server and OSS Open WebUI alternative for Local and Cloud LLMs

July 20, 2026 - v4 Released! → One tool, every modality

Generate Anything #

From a single self-hosted gateway — chat with 530+ models, create images, and synthesize speech across 24 providers

[Text & Chat](/docs/features/chat-ui)

A fast, private, ChatGPT-like web UI over every local & cloud LLM — with tools, MCP, skills, agents and 200+ system prompts

Image Generation Create images via Gemini, OpenAI, OpenRouter, Chutes, Z.ai & Nvidia — right inside the chat and gallery workflow

Audio & Speech High-quality text-to-speech with Gemini & OpenRouter models, plus voice-to-text input via the microphone

Create → Publish → Showcase

Anything you generate in llms.py can be published with one click — landing in the live showcase at ai.llmspy.org, browsable by everyone with categories, tags, ratings and infinite scroll.

  • Browse generated images & audio by category and tag
  • Play full Projects built by AI— games and apps, ready to run - Free & anonymous publisher account — no email required

Playable & self-contained

Projects Built by AI #

Complete, self-contained apps & games — generated with llms.py and published for anyone to open and play

Quick Install

pip install llms-py

💬 Simple Chat

Ask questions directly from the command line

Run Server

llms --serve 8000

Beautiful Themes #

Personalize your experience with a selection ofhandcrafted themes

💬 ChatGPT-like Interface

Modern, fast, and privacy-focused web UI for all your local and remote LLMs

What's New #

Latest release focused on extensibility, expanded provider support, and enhanced user experience

530+ Models from 24 Providers Powered by models.dev integration with automatic daily updates

Extensions System Add features, providers, and customize the UI with flexible plugins

Gemini File Search RAG workflows with document stores, categories, and contextual chat

Credentials Auth Username/Password authentication with Admin UI and CLI user management

Agent Profiles Specialized AI agents with custom prompts, tools, themes, and Planner→Coder workflows

Projects Secure workspace isolation that restricts AI agent filesystem access to designated project folders

Tool Support First-class Python function calling for LLM interactions with your environment

Server Tools Built-in support for provider hosted Anthropic & OpenRouter server tools like web search

MCP Support Connect to Model Context Protocol servers for extended tool capabilities

Skills Support Extend AI capabilities with specialized knowledge, workflows, and tools

Agent Browser AI-powered browser automation with live preview, script editor, and element inspector

Themes Customize the look and feel with built-in themes or create your own

Calculator & Run Code UIs Beautiful UIs to evaluate math and execute Python, JS, TS & C# code

Media Gallery Browse and manage all your generated images and audio in one place

Voice Input Voice-to-text transcription via microphone button or ALT+D keyboard shortcut

Image Generation Built-in support for Gemini, OpenAI, OpenRouter, Chutes, Z.ai and Nvidia

Audio Generation TTS support for Gemini 2.5 Flash/Pro Preview models

KaTeX Math Rendering Beautiful LaTeX math typesetting for equations and formulas

Model Selector #

Smart search, advanced filtering, sorting, and favorites over 530 models from 24 providers

Learn more →

Credentials Auth #

Built-in Username/Password authentication with a Sign In page, Admin Web UI and CLI for user managing accounts, roles, and account locking

Learn more →

Agent Profiles & Projects #

Configure specialized AI agents with custom prompts, tools, and themes — and scope their filesystem access to secure project workspaces

Gemini File Search & RAG #

Build knowledge bases with document stores and contextual AI chat

Learn more →

Server Tools

Built-in support for provider-hosted OpenRouter & Anthropic server tools like web search, web fetch & code execution

Learn more →

Agent Browser #

An integrated workspace for building and running automated browser scripts with AI assistance, live previews, and an interactive element inspector

Learn more →

Image & Audio Generation #

Seamless media generation through UI and CLI

Runtime Provider Management #

Enable or disable providers on the fly without configuration changes

Learn more →

Ready to Get Started?

Install llms.py and start chatting with 530+ AI models in minutes

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