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Alternatives

Products that do what Simple-OpenAI does

Java library to use the OpenAI API in the easiest way

  1. 1OS

    Hey HN, we've been working with OpenAI for the past few months on the new Realtime API. The goal is to give everyone access to the same stack that underpins Advanced Voice in the ChatGPT app. Under the hood it works like this: - A user's speech is captured by a LiveKit client SDK in the ChatGPT app - Their speech is streamed using WebRTC to OpenAI’s voice agent - The agent relays the speech prompt over websocket to GPT-4o - GPT-4o runs inference and streams speech packets (over websocket) back to the agent - The agent relays generated speech using WebRTC back to the user’s device The…

    2024 · github.com

  2. 2

    OpenAI's most advanced model, o1 API to third-party devs

    2024

  3. 3

    OpenAI’s latest advancements at your fingertips

    2023

  4. 4

    One unified API for all AI models like Gemini, GPT-4, DALL-E

    2023

  5. 5IB

    Hey HN, I am proud to show you guys that I have built an open source alternative to Azure OpenAI services. Azure OpenAI services was born out of companies needing enhanced security and access control for using different GPT models. I want to build an OSS version of Azure OpenAI services that people could self host in their own infrastructure. "How can I track LLM spend per API key?" "Can I create a development OpenAI API key with limited access for Bob?" "Can I see my LLM spend breakdown by models and endpoints?" "Can I create 100 OpenAI API keys that my students could use in a classroom…

    2023 · github.com

  6. 6SB

    Hello HN, I’ve always loved building frontend-only apps—those you can prototype over a weekend, host for free on GitHub Pages, and scale to millions of users. Unfortunately, AI-enabled apps complicate things, as exposing your OpenAI key to the world is obviously a no-go. This also means mobile developers often have to run their own servers. That’s why I built ServerlessAI, an API gateway that lets you securely call multiple AI providers directly from client side using OpenAI-compatible APIs. You can authenticate users through any identity provider, like Google or Apple, and set per-user…

    2024 · serverlessai.dev

  7. 7OS

    Hey everyone, We have been building SecureAI Tools -- an open-source application layer for ChatGPT and ChatPDF-like AI tools. It works with locally running LLMs as well as with OpenAI-compatible APIs. For local LLMs, it supports Ollama which supports all the gguf/ggml models. Currently, it has two features: Chat-with-LLM, and Chat-with-PDFs. It is optimized for self-hosting use cases and comes with basic user management features. Here are some quick demos: * Chat with documents using OpenAI's GPT3.5 model: https://www.youtube.com/watch?v=Br2D3G9O47s * Chat with documents…

    2023 · github.com

  8. 8

    ChatGPT-like customer interactions in a website widget

    2024

  9. 9IM

    A few years ago, right after high school, I decided to try to make a simultaneous translation app for Android as a side project, it took longer than expected (about 2 years) and I had to make a lot of compromises (I had to use Google's API and therefore make users use a developer key because at the time there were no free solutions for speech recognition and translation that had good quality). At the end of university, I decided to pick it up again and finally, using OpenAi's Whisper for speech recognition and Meta's NLLB for translation (with both running locally on the phone), I managed to…

    2024 · github.com

  10. 10SO

    We built SwiftAI, an open-source Swift library that lets you use Apple’s on-device LLMs when available (Apple opened access in June), and fall back to a cloud model when they aren’t available — all without duplicating code. SwiftAI gives you: - A single, model-agnostic API - An agent/tool loop - Strongly-typed structured outputs - Optional chat state Backstory: We started experimenting with Apple’s local models because they’re free (no API calls), private, and work offline. The problem: not all devices support them (older iPhones, Apple Intelligence disabled, low battery, etc.). That…

    2025 · github.com

  11. 11

    An API from OpenAI for ChatGPT

    2023

  12. 12

    Advanced Visual Reasoning & Agentic Tool Use

    2025

  13. 13
    Prompt138

    A command line application to interact with ChatGPT's API

    2023

  14. 14

    Discover open-source tools with an AI chat assistant

    Apr 2026 · openresource.site

  15. 15
    Ortlin17

    OpenAI User Interface

    2024

  16. 16

    The easiest way to access frontier AI models.

    Aug 2026 · tokenharbor.ai

  17. 17FO
  18. 18GO
  19. 19HO

    Herobot is an open-source customer service platform that lets businesses manage conversations across WhatsApp, Instagram, Facebook Messenger, and TikTok from a single dashboard. Key features: • 24/7 AI-powered responses using Gemini, OpenAI, or OpenRouter • Real WhatsApp Business integration with QR code pairing • Custom business tool integrations (shipping APIs, Google Forms, spreadsheets) • Self-hosted or managed cloud deployment options • Built with Laravel + Vue.js, Docker-ready GitHub: https://github.com/herobot-id/herobot Demo: Try in Firebase Studio (buttons…

    2025 · github.com

  20. 20AC

    api2ai parses OpenAPI Spec to generate an agent that can make API calls. For context, I recently need to explore a handful of API suites and thought LLMs can help expedite this process. After some digging, I found OpenAPI Specs are perfect fit for function calling. Based on a text prompt, api2ai can select the right endpoint and properly parse request params and make api calls. It also handles authentication, currently it supports basic auth, api keys, and bearer token schemes. The tool has helped me explore and see APIs in action without a deep dive into the docs or using postman. It’s open…

    2023 · github.com

  21. 21CO
  22. 22OR
  23. 23

    Finish tasks with your own models, tools, feels familiar

    2025 · chatframe.co

  24. 24

    Unified AI Access One API, All Models

    2025

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