Apps similar to Otari include OpenRouter, which has a free version. Other options are Experiential, liteLLM, VoidLLM and Echo by Tracer. You can choose from more than 10 Large Language Model (LLM) Tools like Otari for the web, self-hosting, Mac, Windows and Linux.
OpenRouter is an AI model aggregator service that provides developers and users access to a wide range of large language models and generative 3D object models through a unified API. It allows users to interact with various AI models, including those from major providers like...
United States
Open-source, OpenAI-compatible gateway for agent workflows that connects hosted, BYOK, local, and custom models through one API. It routes calls, enforces model access by user, agent, and use case, applies budgets, and attributes cost and usage to each request.
Python SDK, Proxy Server (LLM Gateway) to call 100+ LLM APIs in OpenAI format - [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, Replicate, Groq].
United States
Privacy-first LLM proxy and AI gateway — load balancing, multi-provider routing, API key management, usage tracking, rate limiting. Self-hosted. Zero knowledge of your prompts.
Germany
EU
Echo combines specialist open-weight models into one system, allocating compute where it improves the result.
United States
Charager Gateway provides a unified API and the database of characters, agents, and prompts so you can build your own character platform without initializing your own database.
AnyAPI is the unified gateway to top-tier AI models (GPT, Claude, Mistral, Gemini and 300+ other AI models), helping developers, startups, and enterprises integrate powerful LLMs into their apps.
Taiwan
OpenAdapter is an AI gateway sold as a flat subscription. One API key gets you 40+ open-source models (DeepSeek, Qwen, Kimi, GLM, MiniMax, Mistral, Llama) plus web search, OCR, vision, embeddings and a vector DB. Works with Cursor, VS Code, Claude Code, Zed and any OpenAI-compatible app.
Singapore
Unified API platform offers instant access to over 100 leading large language models through a single endpoint and key, with native protocol support, global low-latency routing, zero markup pricing, team collaboration tools, flexible payment options, and usage tracking.
United States
CometAPI is a unified AI model API aggregator — one API key to access 500+ AI models from OpenAI, Anthropic, Google, Midjourney and more, at 20% below official rates. No monthly fees.
United States
OpenRain is an OpenAI-compatible AI API gateway that lets developers access multiple major AI models through one API key and one unified endpoint.
