Halliday G2 vs RayNeo iO
Hesitating between the Halliday G2 and the RayNeo iO? Here are both models side by side, using the specs and prices from our benchmark.
Key differences
- RayNeo iO costs $100 less than Halliday G2.
- RayNeo iO is 16 g lighter than Halliday G2.
Specifications
| Halliday G2 | RayNeo iO | |
|---|---|---|
| Type | HUD glasses | HUD glasses |
| Status | Pre-order | On sale |
| Price | $599 | $499 |
| Release date | September 2026 | September 2026 |
| Weight | 49 g | 33 g |
| Display | Binocular waveguide, dual micro-LED projectors, monochrome green | Binocular green MicroLED waveguide |
| Resolution | 600x300 per eye | - |
| Brightness | 1,600 nits | 1,300 nits |
| Camera | No | No |
| Battery (glasses) | 12 h | - |
| On-device AI | No | No |
| Microphones | 4-mic array, 2 m voice pickup | 4 microphones + bone conduction sensor |
| Needs a cable | No | No |
| Field of view | - | 23.5° |
| AI assistant | - | RayNeo AI / Gemini; optional ChatGPT, Claude, DeepSeek |
| Connectivity | - | Bluetooth 5.4 |
| Water resistance | - | IP54 |
| Speakers | - | None |
Best for: Halliday G2
The Halliday G2 is best for professionals who need a camera-free wearable for meeting transcripts, live captioning, and translation.