# OpenAI upgrades ChatGPT and Codex with new GPT-6.1 Terra model

- Source: 9to5Mac
- Published: 2026-10-26T18:21:40+00:00
- Category: Tech
- Original: https://9to5mac.com/2026/10/26/openai-upgrades-chatgpt-and-codex-with-new-gpt-6-1-terra-model/
- Canonical: https://groundlevelnews.com/story/openai-upgrades-chatgpt-and-codex-with-new-gpt-6-1-terra-model-f74d1d/

Earth is so back. Last month when OpenAI released GPT-6 models of Sol and Luna, its medium model Terra was excluded from the update. Now OpenAI has upgraded Terra from GPT-5.6 to GPT-6.1, touting speed and computer use at a lower price. more…

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