Grok-4 Heavy vs Lyria 3 Pro
xAI vs Google — benchmarks, pricing, and capabilities side by side.
| Grok-4 Heavy | Lyria 3 Pro | |
|---|---|---|
| Intelligence index | 89.3 | — |
| Developer | xAI | |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | — | 1,048,576 tokens |
| Input price | — | — |
| Output price | — | — |
| Speed | — | — |
| Released | July 9, 2025 | March 30, 2026 |
| Parameters | — | — |
| Input modalities | — | Text, Image |
| Output modalities | — | Text, Audio |