Claude Haiku 4.5 vs Claude Opus 4
Compare Claude Haiku 4.5, Claude Opus 4 side by side: context window, cost, modality, license and published benchmark scores.
| Attribute | Claude Haiku 4.5 | Claude Opus 4 |
|---|---|---|
| Organization | Anthropic | Anthropic |
| Released | 2025-10 | 2025-05 |
| License | Proprietary | Proprietary |
| Parameters | Undisclosed | Undisclosed |
| Context window | 200,000 tokens | 200,000 tokens |
| Input | $1 / 1M tokens | $15 / 1M tokens |
| Output | $5 / 1M tokens | $75 / 1M tokens |