Head to head
Claude Opus 4 vs o3-pro
On a blended workload of one million input tokens and three million output tokens, Claude Opus 4 is 1.1× cheaper than o3-pro.
| Claude Opus 4 | o3-pro | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input / MTok | $15 | $20 |
| Output / MTok | $75 | $80 |
| Cache read / MTok | $1.5 | — |
| Context window | 200,000 | 200,000 |
| Blended 1M in + 3M out | $240.00 | $260.00 |
| Status | retired | ga |