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GPT-6.1 Terra: OpenAI cuts computer-agent costs in half

OpenAI released GPT-6.1 Terra on October 26, pricing it at $1 per million input tokens and $5 output, half the cost of GPT-6.1 Sol. Token price and per-task…

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OpenAI released GPT-6.1 Terra on October 26, a model built for AI agents that operate computers: it reads what's on screen, acts inside applications, writes, and codes. Via the API, it costs $1 per million input tokens and $5 per million output tokens, half the price of GPT-6.1 Sol according to OpenAI, and it arrives in ChatGPT Work and Codex. The launch matters because it lowers the baseline cost of office automation. Token price and the cost of a completed task are two different numbers, though, and every benchmark cited comes from OpenAI's own labs.

This article is based on OpenAI's October 26 announcement and the ChatGPT release notes of the same date. The OpenAI post on X is cited through Interesting Engineering, which embeds it. The OpenAI for Startups LinkedIn post and the official API pricing page were not accessible with our tools: competitor pricing figures come from the press sources noted individually below.

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