Show HN: AI Analyzes Your Guitar Playing from Video – Built with Gemini 2.5

Built an AI Guitar Teacher over the weekend!

Code here: https://github.com/tekaratzas/GuitarGPT

Uses Gemini 2.5 Flash to analyze video of you playing, Highlights segments then pumps out a personalized practice routine.

Been using it to get unstuck on some more difficult passages. Pretty insane how good it is given this is just the start.