Head to head
Claude Opus 4 vs GPT-5.6 Sol
On a blended workload of one million input tokens and three million output tokens, GPT-5.6 Sol is 2.5× cheaper than Claude Opus 4.
| Claude Opus 4 | GPT-5.6 Sol | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input / MTok | $15 | $5 |
| Output / MTok | $75 | $30 |
| Cache read / MTok | $1.5 | $0.5 |
| Context window | 200,000 | — |
| Blended 1M in + 3M out | $240.00 | $95.00 |
| Status | retired | ga |