GPT-6.1 Terra
GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol.
Specifications
| Lab | OpenAI |
|---|---|
| Context window | 1.1M tokens |
| Input price | $1.00/1M |
| Output price | $5.00/1M |
| Release | Oct 2026 |
Strengths
- Mid-tier GPT-6.1 quality at roughly a fifth of Sol's per-token price
- 1.05M-token context window for long-document and codebase work
- Particularly strong screenshot understanding for visual-agent tasks
- Solid everyday baseline for agentic coding and writing
Weaknesses
- Trails GPT-6.1 Sol on the hardest reasoning and agentic tasks
- New release with limited third-party benchmarks at launch
- Higher-token workloads hit the doubled rate past 272K tokens
Best for
- Everyday agentic coding and writing
- Screenshot-heavy visual agent workflows
- Cost-aware production API traffic
In Depth: GPT-6.1 Terra
Summary
GPT-6.1 Terra is an AI model from OpenAI.
Released in Oct 2026. It takes file, image, and text input and produces text output, with a context window of 1.1M tokens. Input pricing is $1.00 per 1M tokens and output is $5.00 per 1M tokens on OpenRouter.