LLM Chat Client

LLM Chat is the ultimate AI chat client for iPhone, iPad, and Mac. Connect to the world's leading AI models — or run them locally on your own hardware — all from one elegant, powerful app.

CHAT WITH ANY AI • OpenAI: GPT-4o, GPT-4 Turbo, GPT-3.5, and more • Anthropic: Claude 3.5 Sonnet, Claude 3 Opus, Claude 3 Haiku • Ollama: Llama 3, Mistral, CodeLlama, Phi, and any local model • Custom servers: LM Studio, text-generation-webui, vLLM, or any OpenAI-compatible API

PRIVACY FIRST Your API keys and conversations stay on your device. Connect to local AI models running on your Mac for complete privacy — your data never leaves your network. No accounts required. No tracking. No ads.

POWERFUL CUSTOMIZATION Fine-tune every conversation with advanced model parameters: • Temperature control for creative or precise responses • Token limits for short answers or detailed explanations • Top-P sampling for response diversity • Frequency and presence penalties to reduce repetition

CUSTOM SYSTEM PROMPTS Shape how AI responds with customizable system messages. Create an expert coder, a creative writer, a concise assistant, or anything you imagine. Save different personas for different tasks.

REAL-TIME STREAMING Watch responses appear word-by-word as the AI thinks. Streaming support for all major providers gives you faster, more engaging conversations.

ORGANIZE YOUR THOUGHTS • Unlimited conversation threads • Automatic chat history • Quick access to recent conversations • Per-conversation settings and system prompts

DESIGNED FOR APPLE Native SwiftUI interface optimized for iOS, iPadOS, and Mac. Supports Dark Mode, Dynamic Type, and all device orientations. Feels right at home on every Apple device.

PERFECT FOR • Developers who need quick code assistance • Writers seeking creative inspiration • Researchers exploring ideas • Students learning new concepts • Professionals drafting emails and documents • Anyone curious about AI

FLEXIBLE HOSTING OPTIONS • Cloud APIs: Use OpenAI or Anthropic's hosted models • Local models: Run Ollama on your Mac for free, private AI • Self-hosted: Connect to your own GPU servers • Hybrid: Mix and match providers as needed

GETTING STARTED

1. Add your API key for OpenAI or Anthropic, OR
2. Install Ollama on your Mac for free local models
3. Start chatting!

No subscription required. Just bring your own API key or local models.

Questions or feedback? We'd love to hear from you.