Head to head
Claude Opus 4.5 vs Claude Sonnet 4.5
On a blended workload of one million input tokens and three million output tokens, Claude Sonnet 4.5 is 1.7× cheaper than Claude Opus 4.5.
| Claude Opus 4.5 | Claude Sonnet 4.5 | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Input / MTok | $5 | $3 |
| Output / MTok | $25 | $15 |
| Cache read / MTok | $0.5 | $0.3 |
| Context window | 200,000 | 200,000 |
| Blended 1M in + 3M out | $80.00 | $48.00 |
| Status | ga | ga |