GPT-6.1 Terra vs GPT-6.1 Terra Pro
GPT-6.1 Terra is the cheaper option on input; GPT-6.1 Terra is cheaper on output. Figures below are per million tokens, from vendor pricing cited in our reporting.
| GPT-6.1 Terra | GPT-6.1 Terra Pro | |
|---|---|---|
| Input per 1M tokens | $1 | $1 |
| Output per 1M tokens | $5 | $5 |
| Cached input per 1M | $0.05 | $0.05 |
| Context window | — | 1.05M tokens |
| Parameters | — | — |
| Licence | proprietary | |
| Benchmark | — | — |
| Vendor | OpenAI | OpenAI |
| Released | 26 Oct 2026 | — |
What the numbers say
- Input price gap: 0% ($1 vs $1).
- Blended three-to-one input/output rate: $8.00 for GPT-6.1 Terra, $8.00 for GPT-6.1 Terra Pro.
- Context: — against 1.05M tokens.
- Licence: GPT-6.1 Terra is proprietary; GPT-6.1 Terra Pro is .
Sources
GPT-6.1 Terra specs · GPT-6.1 Terra Pro specs · Full price index