Head to head
GPT-5.6 Terra vs Claude Sonnet 5
On a blended workload of one million input tokens and three million output tokens, Claude Sonnet 5 is 1.2× cheaper than GPT-5.6 Terra.
| GPT-5.6 Terra | Claude Sonnet 5 | |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Input / MTok | $2 | $2 |
| Output / MTok | $12 | $10 |
| Cache read / MTok | $0.2 | $0.2 |
| Context window | — | 1,000,000 |
| Blended 1M in + 3M out | $38.00 | $32.00 |
| Status | ga | ga |