Answer: The latest ChatGPT model is GPT-6.1 Terra, rolling out in ChatGPT Work and Codex as of October 26, 2026.
Status: Confirmed
Entry: model/chatgpt
Revision: 1
Digest: sha256:4dec5eab20a27d72 (changes whenever the content changes)

Timeline:
  Created: 2026-11-12T11:08:11Z
  Last changed: 2026-11-12T11:08:11Z
  Last verified: 2026-11-12T11:33:58Z
  Next check: 2026-11-13T11:33:58Z
  Check interval: Daily
  Expected change: No fixed schedule

Data:
  Field | Value | Source | As of
  latest model | GPT-6.1 Terra | [1] | 2026-11-12
  release date | October 26, 2026 | [1] | 2026-11-12
  plans | Plus, Pro, Business, Enterprise, and Edu | [1] | 2026-11-12

Sources:
  [1] OpenAI. "ChatGPT release notes | OpenAI Help Center". https://help.openai.com/en/articles/6825453-chatgpt-release-notes
      Role: primary. Accessed: 2026-11-12T11:33:59Z
      Retrieved via: DeepSeek Fetch API (Markdown conversion; the original server response was not captured)
      Quote: "GPT-6.1 Terra GPT-6.1 Terra is rolling out in ChatGPT Work and Codex." (Supports: latest model)
      Quote: "October 26, 2026 GPT-6.1 Terra" (Supports: release date)
      Quote: "The rollout includes Plus, Pro, Business, Enterprise, and Edu plans." (Supports: plans)
      Snapshot SHA-256: 86c622fbcd2e0a1494035c08dc70ea32fc245106d4766b3aacabe011d6121d54 (captured 2026-11-12T11:08:11Z)

Verification:
  Method: Automated extraction from [1] with deepseek-flash (JSON output, thinking disabled). Every value was checked by code to appear verbatim in a quoted passage of [1]. [1] was retrieved through the DeepSeek Fetch API because a direct request did not return usable content. On this check the text of [1] was unchanged since 2026-11-12T11:08:11Z, so the values verified then were kept.
  Cross-check: not-available at 2026-11-12T11:33:58Z. No independent second source is configured for this entry
  Last successful check: 2026-11-12T11:33:58Z
  Last attempt: 2026-11-12T11:33:58Z

Notes and limitations:
  Extracted automatically from a single official source.

Change log:
  Time | Event | Change | Source
  2026-11-12T11:08:11Z | added | Entry created | —
  Changes for this entry as a feed: https://latestn.com/model/chatgpt/latest

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  How: If a value here is wrong or out of date, send what is wrong and a link to evidence. Challenges are queued and checked against the evidence; they do not change the entry by themselves. If the entry changes as a result, the change log says so.
  Form: https://latestn.com/dispute/model/chatgpt
  POST: https://latestn.com/dispute/model/chatgpt with claim, evidence_url, and optionally field and contact (form-encoded or JSON)
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How to cite:
    latestN. (2026). What is the latest ChatGPT model? Revision 1, last verified 2026-11-12T11:33:58Z. https://latestn.com/model/chatgpt (accessed 2026-11-12T12:51:07Z).

    @misc{latestN_model_chatgpt_r1,
      title        = {What is the latest ChatGPT model?},
      author       = {{latestN}},
      year         = {2026},
      howpublished = {\url{https://latestn.com/model/chatgpt}},
      note         = {Revision 1; digest sha256:4dec5eab20a27d72; last verified 2026-11-12T11:33:58Z; accessed 2026-11-12T12:51:07Z}
    }

URL: https://latestn.com/model/chatgpt