GPT-6.1 Terra
by OpenAI · gpt-terra family · released 2026-10-26
On output pricing, GPT-6.1 Terra is cheaper than 247 of the 719 priced models tracked here, at $5/Mtok. Its 1,050,000-token context window is larger than 829 of 842 models. Capabilities: vision, tools, reasoning, structured output.
Specifications
| Provider | OpenAI |
| Family | gpt-terra |
| Input price | $1/Mtok |
| Output price | $5/Mtok |
| Cache read price | $0.05/Mtok |
| Cache write price | $1.25/Mtok |
| Context window | 1,050,000 |
| Max output tokens | 128,000 |
| Input modalities | text, image, pdf |
| Output modalities | text |
| Capabilities | vision, tools, reasoning, structured output |
| Knowledge cutoff | 2026-06-01 |
| Released | 2026-10-26 |
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