# GPT-6.1 Terra release date

entity: /record/gpt-6-1-terra.md  
predicate: model_release  
page: /record/gpt-6-1-terra/model_release  
as_of: 2026-11-04  

As of November 4, 2026, the AsOf record says GPT-6.1 Terra was released on October 26, 2026, from a primary source (developers.openai.com) and one further source (github.blog). The record holds 1 claim on GPT-6.1 Terra's release, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current release date

What the record asserts on 2026-11-04.

- [GPT-6.1 Terra](/record/gpt-6-1-terra.md) | model_release | GPT-6.1 Terra | valid 2026-10-26 to present | conf 0.50 | valid | [clm_D6FAF8FA79E0](/claim/clm_D6FAF8FA79E0.md)
  sources: https://github.blog/changelog/2026-10-26-gpt-6-1-terra-in-github-copilot, https://developers.openai.com/api/docs/changelog#2026-10-26

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [GPT-6.1 Terra](/record/gpt-6-1-terra.md) | model_release | GPT-6.1 Terra | valid 2026-10-26 to present | conf 0.50 | valid | [clm_D6FAF8FA79E0](/claim/clm_D6FAF8FA79E0.md)
  sources: https://github.blog/changelog/2026-10-26-gpt-6-1-terra-in-github-copilot, https://developers.openai.com/api/docs/changelog#2026-10-26

## Questions this record answers

### When was GPT-6.1 Terra released?

On October 26, 2026, from a primary source (developers.openai.com) and one further source (github.blog) (status valid, confidence 0.50).


## Get this data

- JSON: /v1/entities/gpt-6-1-terra/model_release (this fact) · /v1/entities/gpt-6-1-terra?predicates=model_release (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "gpt-6-1-terra", predicates: ["model_release"]) for every dated value · fetch(id: "/record/gpt-6-1-terra/model_release.md") for this page
- Entity twin: /record/gpt-6-1-terra.md · timeline: /timelines/gpt-6-1-terra.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.