Supported AI Models
Alex integrates with the world's most advanced AI models to supercharge your Xcode development experience.

Gemini 2.5 Pro
Google's enhanced model with long context windows and excellent code completion abilities.

Gemini 2.5 Flash
Google's fast non-reasoning model. Great for day-to-day tasks.

OpenAI O3
OpenAI's flagship reasoning model. Best-in-class for solving tough problems and bugs.

OpenAI O4 Mini
OpenAI's fast reasoning model.

OpenAI GPT-4.1
OpenAI's flagship coding model combining vision and language capabilities for Xcode.

Claude 3.5 Sonnet
A powerful, balanced model that excels at both code generation and explanations.

Claude 3.7 Sonnet
Claude 3.7 Sonnet is Anthropic's new model, often geared more towards full code-rewrites.

Deepseek R1
Outstanding reasoning model with strong coding capabilities useful for complex Swift algorithms. Hosted in the US under Fireworks AI.

Deepseek V3
Fast non-reasoning model comparable to Claude Sonnet. Hosted in the US under Fireworks AI.

OpenAI GPT-4o
OpenAI's multimodal chat model combining vision and language capabilities for Xcode.

OpenRouter
OpenRouter is a service with a vast collection of models, some of which are free! You can use OpenRouter models directly in Alex.
You can also bring your own custom model
Alex supports integration with your own custom models and API endpoints. Configure your private models for enhanced security and specialized tasks.