v0 by Vercel

AI-first code editor built on VS Code. Features intelligent code generation, multi-file editing, and codebase-aware chat.

Run large language models locally on your own machine. Supports 100+ models including Llama, Mistral, Phi, and Gemma with a simple CLI interface.

AI pair programmer that suggests code completions, entire functions, and helps with debugging directly in your IDE.

API access to Claude models for building AI applications. Enterprise-grade with strong safety features and large context windows.