Amazon Nova Pro vs Claude Sonnet 4.5
Compare Amazon Nova Pro, Claude Sonnet 4.5 side by side: context window, cost, modality, license and published benchmark scores.
| Attribute | Amazon Nova Pro | Claude Sonnet 4.5 |
|---|---|---|
| Organization | Amazon | Anthropic |
| Released | 2024-12 | 2025-09 |
| License | Proprietary | Proprietary |
| Parameters | Undisclosed | Undisclosed |
| Context window | 300,000 tokens | 1,000,000 tokens |
| Input | $0.8 / 1M tokens | $3 / 1M tokens |
| Output | $3.2 / 1M tokens | $15 / 1M tokens |