Head to head
Claude Sonnet 4 vs Claude Sonnet 4.5
On a blended workload of one million input tokens and three million output tokens, Claude Sonnet 4.5 is line-ball with Claude Sonnet 4.
| Claude Sonnet 4 | Claude Sonnet 4.5 | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Input / MTok | $3 | $3 |
| Output / MTok | $15 | $15 |
| Cache read / MTok | $0.3 | $0.3 |
| Context window | 200,000 | 200,000 |
| Blended 1M in + 3M out | $48.00 | $48.00 |
| Status | retired | ga |