Compare AI tools

	GitHub Copilot B	NotebookLM S	Aider A	Raycast AI S
Tagline	Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.	Google's research notebook. Turns your docs into a podcast.	Terminal-based AI pair programmer. Git-aware, model-flexible.	Mac launcher + AI. Command-bar genius.
Category	Coding	Research	Coding	Productivity
Pricing	Free (limited) + $10/mo Pro + $19/mo Business	Free	Free (open source) + whatever API you use	Free (app) + $10/mo AI
Best for	Teams with GitHub already. Devs who don't want to change IDEs.	Students, researchers, anyone with a stack of PDFs or a topic to learn.	Developers who want open-source tooling with full control.	Power users on Mac who type a lot.
Strengths	Great enterprise story Works in your existing IDE Chat + autocomplete	Upload anything, ask questions, get cited answers Audio Overview turns docs into a 10-min podcast Great for studying	Works in any terminal Auto-commits changes with meaningful messages Works with any model (Claude, GPT, local) Minimal learning curve	Invoke AI from anywhere on Mac with a hotkey Choose your model (Claude, GPT, etc.) AI Commands for repeatable workflows
Weaknesses	Less agentic than Cursor/Claude Code Model quality varies	Google-only Can be slow on large corpora	Terminal-only Less agentic than Claude Code Setup on Windows is fiddly	Mac-only Monthly AI sub on top of free app
Kai's verdict	B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.	S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.	A-tier. The right answer if you want open-source + terminal-native + model-agnostic.	S-tier if you're on Mac. The fastest way to get AI answers without context-switching.
Link	Open →	Open →	Open →	Open →