The ultimate list of AI tools with bring-your-own-key (BYOK)

A unified chat interface for 360+ AI models that lets you bring your own OpenRouter API key for direct, at-cost access.

GEO citation checker that audits whether Claude, ChatGPT, Perplexity, and Gemini recommend your brand using your own API keys.

Free private AI chat frontend that uses the user's OpenRouter key for hundreds of models with local key storage and no usage markup.

Open-source brainstorming canvas that runs in the browser with a user-provided OpenRouter API key.

Multi-model AI chat platform that lets users bring encrypted API keys for GPT, Claude, Gemini, Grok, OpenRouter, and custom endpoints.

Privacy-first AI chat app for Windows and Android with local storage, encrypted sync, and BYOK access to OpenRouter, OpenAI, and Google models.

Free open-source AI roleplay app with local-first storage, long-term character memory, and BYOK support for cloud and local providers.

Minimal AI chat interface where you bring your own API keys and pay only for what you use with real-time cost tracking.

Free AI browser extension with page-aware context that lets you use your own API keys or OpenAI-compatible endpoints.

Developer-first BYOK orchestration platform for building and deploying autonomous AI agents with full control over data and API costs.

Fully client-side voice and chat PWA powered by your own Groq API key. No backend, no accounts, no tracking — one key enables chat, voice, vision, and research.

Open-source desktop AI assistant and universal MCP client for macOS, Windows, and Linux. BYOK app supporting 15+ AI providers including local models via Ollama.

AI add-on for Google Sheets, Docs, and Slides that lets you use 100+ AI models with your own API keys. Fill thousands of rows, generate slides, and automate tasks without AI formulas.

Desktop app for Mac and Windows that transforms text with AI-powered shortcuts. Select text anywhere, press a shortcut, get instant results using your own OpenAI or OpenRouter API key.

AI-powered file renamer for Windows that transforms messy filenames into organized, searchable names. Works offline with local AI or online with your own API keys.

Msty simplifies AI model use with a single app, offering offline functionality, privacy, and unique features for both local and online platforms.