GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots...
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OpenAI: GPT-6.1 Terra (batch) holds the #3 spot for context size out of 450 chat models in the CoreAI catalog — 1.1M tokens, roughly 787,500 words or 1,575 pages of text in a single conversation. On price, it is the #68 cheapest of 210 standard-tier models by input cost. Released 2026-10-26, it is one of the 1 newest additions to the catalog. It supports step-by-step reasoning (thinking mode) and accepts image input.
Every model in this table is available on CoreAI — open the web app and run the same prompt through OpenAI: GPT-6.1 Terra (batch) and OpenAI: o4 Mini (batch) side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00175 on OpenAI: GPT-6.1 Terra (batch)'s raw per-token rates; a heavy session with a 50K-token document costs about $0.038. On CoreAI you don't juggle these numbers — one subscription covers OpenAI: GPT-6.1 Terra (batch) and 300+ other models under a plan usage limit, with no API keys. See plans.
OpenAI: GPT-6.1 Terra (batch) handles 1.1M tokens of context — roughly 787,500 words, or about 1,575 pages of text in one conversation.
OpenAI: GPT-6.1 Terra (batch)'s underlying rates are $0.5 per 1M input tokens and $2.5 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.
Yes — OpenAI: GPT-6.1 Terra (batch) accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
Yes. OpenAI: GPT-6.1 Terra (batch) can work through problems step by step before answering; on CoreAI you can toggle thinking mode per message.
Open the CoreAI web app or the iOS/Android app, pick OpenAI: GPT-6.1 Terra (batch) in the model selector, and chat — no API key, no per-token billing. One subscription covers OpenAI: GPT-6.1 Terra (batch) and 300+ other models.
The closest alternatives on CoreAI are OpenAI: o4 Mini (batch), OpenAI: GPT Sol Latest, Qwen: Qwen3.7 Flash — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.
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