APIPark

Valyr (formerly Helicone) is an open-source LLM observability platform and AI gateway. It helps developers monitor, debug, and analyze their AI applications, providing a single integration to access over 100 models, manage costs, and improve reliability with features like caching and rate limiting.

Helicone is an open-source platform offering an AI Gateway and LLM Observability for developers. It helps build reliable AI applications by providing tools to route, monitor, debug, and analyze LLM usage. Key features include a unified API for 100+ models, intelligent caching, rate limiting, prompt management, and detailed performance analytics.

Higress.AI is an advanced, open-source AI Gateway designed for developers and enterprises. It simplifies the integration and management of Large Language Models (LLMs) and AI Agents by providing a unified API proxy for over 100 models. Key features include REST to MCP conversion, semantic caching, token-based rate limiting, and a robust plugin system, enabling secure, scalable, and observable AI application infrastructure.

Chatbot UI is an open-source chatbot interface that allows you to connect with over 80 AI models, including those from OpenAI, Google, and Anthropic. It offers a self-hostable, customizable alternative to proprietary chat platforms, giving users full control over their data and conversations. Organize chats, create prompts, and seamlessly switch between models in a single, unified workspace.

Keywords AI is a comprehensive LLM observability and monitoring platform designed for AI startups and developers. It provides a unified API to deploy, test, monitor, and optimize LLM workflows, supporting over 200 models with a simple, two-line integration to help teams build and ship reliable AI features faster.

Valyr (formerly Helicone) is an open-source LLM observability platform and AI gateway. It helps developers monitor, debug, and analyze their AI applications, providing a single integration to access over 100 models, manage costs, and improve reliability with features like caching and rate limiting.

Backmesh is an open-source Backend as a Service (BaaS) designed for AI applications. It acts as a secure LLM API Gatekeeper, allowing developers to call LLM APIs like OpenAI and Gemini directly from web or mobile apps without exposing private keys. It offers features like JWT authentication, per-user rate limiting, and built-in analytics to manage and monitor API usage effectively.

Helicone is an open-source platform offering an AI Gateway and LLM Observability for developers. It helps build reliable AI applications by providing tools to route, monitor, debug, and analyze LLM usage. Key features include a unified API for 100+ models, intelligent caching, rate limiting, prompt management, and detailed performance analytics.

Higress.AI is an advanced, open-source AI Gateway designed for developers and enterprises. It simplifies the integration and management of Large Language Models (LLMs) and AI Agents by providing a unified API proxy for over 100 models. Key features include REST to MCP conversion, semantic caching, token-based rate limiting, and a robust plugin system, enabling secure, scalable, and observable AI application infrastructure.

Latitude is an open-source development platform designed for building, evaluating, and deploying applications powered by Large Language Models (LLMs), with a special focus on creating autonomous AI agents. It provides a comprehensive suite of tools for developers to experiment, refine, and scale their AI solutions.

Forefront is a developer platform for building with open-source AI. It simplifies running, fine-tuning, and deploying large language models (LLMs) on your private data, providing a scalable, secure, and cost-effective alternative to closed-source platforms. Own your data, your models, and your AI.

boundaryml (BAML) is a specialized programming language and toolkit for developers to reliably extract structured data from Large Language Models (LLMs). It transforms complex prompt engineering into a streamlined, code-like process, ensuring type-safe, error-corrected outputs across various LLMs and programming languages like Python and TypeScript. It's designed to enhance reliability, reduce costs, and accelerate development cycles for AI applications.

Sylph AI is a development platform designed to maximize the potential of LLM applications. It features AdalFlow, a leading open-source library for building and auto-optimizing LLM task pipelines, and an AI Teammate that provides expert guidance throughout the entire development workflow, from ideation to production.

OpenLIT is an open-source, OpenTelemetry-native observability platform for Generative AI and LLM applications. It simplifies development with tools for request tracing, cost tracking, exception monitoring, and performance analysis. Featuring a centralized prompt repository, a secure vault for secrets, and a playground for comparing LLMs, OpenLIT provides a comprehensive solution for monitoring and scaling AI applications efficiently.

ModelFusion is an all-in-one LLM toolkit for developers and researchers. It offers a suite of free tools, including a cost calculator, prompt library, and model comparator for over 30 AI models like GPT-4, Claude, and Gemini. It also provides a unified API and local model running guides to streamline AI development and optimize costs.

Prompt Mixer is a powerful open-source tool for prompt engineering, providing a collaborative workspace for teams. It enables users to create, test, evaluate, and deploy AI-powered solutions by managing prompt chains, comparing different LLMs, and utilizing advanced evaluation metrics.

6b is a free web-based interface by EleutherAI for testing the GPT-J-6B large language model. Users can input prompts, adjust parameters like temperature and top-p, and instantly generate text. It's an accessible tool for developers, researchers, and writers to experiment with a powerful 6-billion parameter open-source AI without any setup, exploring its capabilities in creative writing, coding, and content generation.

Portkey AI is an advanced AI gateway and LLM Ops platform designed for developers. It simplifies the development of reliable, scalable, and cost-effective AI applications by providing a unified API for various LLMs, real-time observability, semantic caching, and intelligent load balancing.

Prompto is a free, open-source, browser-based interface for interacting with a wide range of Large Language Models (LLMs). It leverages LangChain.js to connect directly to providers like OpenAI, Anthropic, and local models via Ollama, offering advanced features like a model comparison Arena, prompt templates, and multi-AI discussions, all while prioritizing user privacy by storing data locally.