Apps similar to FlowBarAI include OpenRouter, which has a free version. Other options are Experiential, Spillway, Nano-GPT and liteLLM. Large Language Model (LLM) Tools like FlowBarAI are a crowded field, with more than 25 alternatives for the web, self-hosting, Windows, Linux and Mac.
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.
Spillway is an open-source, self-hosted AI gateway for teams that use cloud and local language models. It runs as a single Docker container with an admin UI and SQLite storage.
Georgia
NanoGPT is a platform that gives you access to many AI models through one pay-as-you-go interface, so you don’t have to manage multiple subscriptions or provider accounts. It also offers privacy-conscious and crypto-friendly payment options.
United States
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
Harness state-of-the-art open-source LLMs and image models at blazing speeds with Fireworks AI. Utilize rapid deployment, fine-tuning without extra costs, FireAttention for model efficiency, and FireFunction for complex AI applications including automation and domain-expert copilots.
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
Free AI gateway allows your AI to work none stop: one endpoint, 350 providers (90+ free), 1200+ models Quota-aware, auto-fallback, RTK+Caveman compression saves 15-95% tokens, MCP/A2A, Desktop/PWA. Built by 450+ contributors.
Brazil
Apixo is an AI API gateway: one key and one base URL give you 34 models, including Claude Fable 5, Claude Opus 5.5, GPT-6 Astra, GPT-6.1 Sol, Grok 4.7, DeepSeek V4, GLM 5.3 and Kimi K3.
Deep Infra offers cost-effective, scalable, easy-to-deploy, and production-ready machine-learning models and infrastructures for deep-learning models.
United States
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.
A unified, OpenAI-compatible gateway to every major LLM provider. One endpoint, one key, one bill - with automatic routing and failover.
Switzerland
