Supported AI Models

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

Google logo
GoogleBest Model Overall

Gemini 2.5 Pro

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

Google logo
Google

Gemini 2.5 Flash

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

OpenAI logo
OpenAIBest Reasoning Model

OpenAI O3

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

OpenAI logo
OpenAI

OpenAI O4 Mini

OpenAI's fast reasoning model.

OpenAI logo
OpenAIFast and Decent

OpenAI GPT-4.1

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

Anthropic logo
Anthropic

Claude 3.5 Sonnet

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

Anthropic logo
Anthropic

Claude 3.7 Sonnet

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

Deepseek logo
DeepseekUnlimited with Premium Plan

Deepseek R1

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

Deepseek logo
DeepseekUnlimited with Premium Plan

Deepseek V3

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

OpenAI logo
OpenAI

OpenAI GPT-4o

OpenAI's multimodal chat model combining vision and language capabilities for Xcode.

OpenRouter logo
OpenRouter

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.