# Halliday AI Glasses vs Vuzix M400 Smart Glasses

Canonical comparison page: https://www.arcompare.com/compare/halliday-ai-glasses-vs-vuzix-m400/
Specs updated: 2026-10-06 (the newer of the two products' update dates)
Source: AR Compare spec database (https://www.arcompare.com/data/). Unknown values are "—", never guessed.

**Bottom line: the Halliday AI Glasses is the better buy for most people at $1000.99 less, unless you need a built-in camera.**

- Buy the Halliday AI Glasses if you want to spend $1000.99 less ($499 vs $1499.99), you want the lighter 35g fit (vs 190g), and you need longer battery life (12 hours vs 2).
- Buy the Vuzix M400 Smart Glasses if you want a built-in camera.

## Specifications

| Spec | Halliday AI Glasses | Vuzix M400 Smart Glasses |
| --- | --- | --- |
| Price | $499 | $1,500 |
| Optics type | direct-view micro display | — |
| Dimming control | ✓ Yes | ✓ Yes |
| Prescription support | ✓ Yes | ✓ Yes |
| Diopter range | DigiWindow eyesight dial -8.00 to +2.00; frame compatible with any lenses (maker page) | Works alongside prescription glasses / safety frames via mounting options |
| Weight (g) | 35 | 190 |
| Frame style | wayfarer | — |
| Color options | Black, Gradient, Tortoiseshell | — |
| Foldable | ✓ Yes | ✕ No |
| Battery life (hours) | 12 | 2 |
| Charging method | USB-C (temple tip) | — |
| Charging time (min) | 1 | — |
| Connectivity | Bluetooth 5.3 | USB-C |
| Tethered | ✕ No | — |
| Compatible devices | iOS, Android | Standalone, iOS, Android |
| Processing type | phone | — |
| Operating system | Halliday app with Proactive AI agent, 40-language translation, teleprompter/cheat-sheet, navigation, notifications | Android 9.0 (upgraded builds available; APK sideloading) |
| Chipset | phone-tethered; cloud proactive AI (credit-based: ~$10 per 1,000 credits / ~5 h Proactive AI) | Qualcomm Snapdragon XR1 (8-core, 2.52GHz), 6GB RAM, 64GB storage |
| Camera | ✕ No | 12.8MP |
| Microphones | 1 | — |
| Speakers | open-ear | open-ear |
| Tracking | — | 3DoF |
| Gesture control | ✓ Yes | — |
| Voice control | ✓ Yes | — |
| AI assistant | Halliday AI (proactive + reactive) | — |

Product pages: https://www.arcompare.com/ar-glasses/halliday-ai-glasses/ · https://www.arcompare.com/ar-glasses/vuzix-m400/
Machine records: https://www.arcompare.com/data/products/halliday-ai-glasses.json · https://www.arcompare.com/data/products/vuzix-m400.json