Collection of awesome LLM apps with AI Agents and RAG using OpenAI, Anthropic, Gemini and opensource models.

Chat app for Android that supports answers from multiple LLMs at once. Bring your own API key AI client. Supports OpenAI, Anthropic, Google, and Ollama. Designed with Material3 & Compose.

One API for all LLMs either Private or Public (Anthropic, Llama V2, GPT 3.5/4, Vertex, GPT4ALL, HuggingFace ...) 🌈🐂 Replace OpenAI GPT with any LLMs in your app with one line.

A curated collection of awesome AI Agents and LLM Apps built with multiple tech stacks, showcasing real-world implementations using OpenAI, Gemini, local models, and various AI frameworks.

An AI-app that allows you to upload a PDF and ask questions about it. It uses OpenAI's LLMs to generate a response.

Build full-stack, type-safe, LLM-powered apps with the T3 Stack, Turborepo, OpenAI, and Langchain

A TypeScript sample app for the Retrieval Augmented Generation pattern running on Azure, using Azure AI Search for retrieval and Azure OpenAI and LangChain large language models (LLMs) to power ChatGPT-style and Q&A experiences.

Starter App to Build Your Own App to Query Doc Collections with Large Language Models (LLMs) using LlamaIndex, Langchain, OpenAI and more (MIT Licensed)

⚡ Native MLX Swift LLM inference server for Apple Silicon. OpenAI-compatible API, SSD streaming for 100B+ MoE models, TurboQuant KV cache compression, + iOS iPhone app.

This reference can be used with any existing OpenAI integrated apps to run with TRT-LLM inference locally on GeForce GPU on Windows instead of cloud.

Desktop app + OpenAI-compatible API that proxies LLM web UIs for unofficial integration of LLMs into SillyTavern and other clients.

[EMNLP '25] A web app and Python API for multi-modal RAG framework to ground LLMs on high-fidelity materials informatics. An agentic materials scientist powered by @materialsproject, @langchain-ai, and @openai https://aclanthology.org/2025.emnlp-main.1280/

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LangChain Masterclass - Build 15 OpenAI and LLAMA 2 LLM Apps Using Python, published by Packt

Python Streamlit web app utilizing OpenAI (GPT4) and LangChain LLM tools with access to Wikipedia, DuckDuckgo Search, and a ChromaDB with previous research embeddings. Ultimately delivering a research report for a user-specified input, including an introduction, quantitative facts, as well as relevant publications, books, and youtube links.

Using OpenAI or other LLMs via Langchain to connect that intelligence to Zapier which can access virtually every app, you might want to automate

Introduction to LLM App Development Workshop: PDF Q&A App using OpenAI, Langchain, and Chainlit

LLM router + minimal agent framework in one. Call any LLM API with OpenAI format. Unified billing, tools, retries, fallback, logging. Build agents and AI apps in pure Python. Full control. Zero magic.

A Streamlit app for generating high-quality Q&A training datasets from text and PDFs, leveraging Gemini, Claude, and OpenAI for LLM fine-tuning.

A simple coding assistant app powered by Microsoft guidance, OpenAI LLMs, and Gradio.

Streamlit web app utilizing OpenAI (GPT-4) and LangChain LLM tools. Application includes an SQLite DB for login/authentication and message storage for later retrieval. Users can upload/embed their own PDF documents for chatbot reference. The user can then interact with a GPT-4 chatbot intended for the user's specified input, context, and scenario.

AppifyAi: Transform conversations into stunning web apps. Dynamic code generation + intuitive interface. Unleash your creativity effortlessly. Use the power of GPT OpenAI LLM and 🦜️🔗 LangChain ⚡and ChromaDB.

MindBridge is an AI orchestration MCP server that lets any app talk to any LLM — OpenAI, Anthropic, DeepSeek, Ollama, and more — through a single unified API. Route queries, compare models, get second opinions, and build smarter multi-LLM workflows.

Gives anyone access to an OpenAI/OpenRouter API key free at 10 cents/week. Self-hostable. Useful as a backend if you're building pure front-end LLM apps

Native macOS menu bar app for realtime dictation with optional LLM polishing. Connects to any OpenAI Realtime-compatible backend — fully local on Apple Silicon with voxmlx + mlx-lm.

Boston - AI Assistant is an iOS, iPadOS, macOS, and visionOS application that uses SiriKit and OpenAI API's to allow users to access ChatGPT LLM's from Siri. *Boston is no longer available on the App Store.

An Open source web-based Generative AI app using OpenAI API and replicate API LLMs for image, code, text and video generation.

An LLM app with Retrieval Augmented Generation (RAG) built using OpenAI GPT models, Langchain Tokenizers, HuggingFace transformers, and Meta BART summarization model wrapped in a NextJS web app hosted completely on AWS

This repository is about an APP to help lawyers to process law documents and suit cases using AI Agents trained with OpenAI and others LLMs frameworks

This repo is for LinkedIn Learning course: Level up LLM applications development with LangChain and OpenAI