Mentra open-sourced the whole stack in April 2026. Not just the SDK — the entire OS, MIT licensed, sitting on GitHub at Mentra-Community/MentraOS.
$299 gets you a 43g pair of camera glasses running a MediaTek MTK8766, with a 12MP camera at 119° FOV, three mics, stereo speakers, 10+ hours of mixed use, and 40+ minutes of live streaming.
The cross-compat play
The real news: the same MentraOS app runs on Mentra Live, Mentra Mach 1, Vuzix Z100, and Even Realities G1. One TypeScript codebase, four pairs of glasses. Nobody else in wearables is doing this. YC and MIT Media Lab ($8M in) bet on a horizontal OS instead of another locked-down Ray-Ban Meta clone.
What agents can actually do
The SDK is a single TypeScript API that exposes display, camera, mic, speakers, and AI pipelines. An agent can stream first-person video to an LLM, pull live transcription back, trigger TTS through the speakers, or snap photos on voice command. Live Captions already runs fully on-glasses, and translator mini-apps are live in the MiniApp Store. For any agent that needs eyes and ears in the real world, this is the cheapest shortcut right now.
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