Open Chat Inference vs Atlas

Open Chat is a native AI chat client that connects to the AI providers you already use. Bring your own API keys from Anthropic, OpenAI, and chat from a single, fast interface. Features: - Connect multiple AI providers in one app - Persistent conversation history - API keys stored securely in your device's keychain - Clean, distraction-free chat interface - Dark and light themes Open Chat is a client application. You'll need your own API keys from supported AI providers to use it. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Atlas brings every LLM to your iPhone. Bring your own API keys, run small models on-device, and connect MCP tools — one app, every model, full control. ON-DEVICE INTELLIGENCE Download curated small models — Qwen 3, Llama 3.2, Gemma 3, SmolLM2 — and chat offline. Your prompts never leave the phone. DIRECT, NO MIDDLEMAN No accounts, no proxy servers. Atlas calls providers from your device with the keys you provide. Your conversations stay between you and the endpoint you choose.