Grok-4 Heavy vs Nova Pro 1.0
xAI vs Amazon — benchmarks, pricing, and capabilities side by side.
| Grok-4 Heavy | Nova Pro 1.0 | |
|---|---|---|
| Intelligence index | 89.3 | — |
| Developer | xAI | Amazon |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | — | 300,000 tokens |
| Input price | — | $0.80 / 1M |
| Output price | — | $3.20 / 1M |
| Speed | — | — |
| Released | July 9, 2025 | December 5, 2024 |
| Parameters | — | — |
| Input modalities | — | Text, Image |
| Output modalities | — | Text |