# ChatGPT default model lineage: /models/gpt.md entity: /record/chatgpt.md predicate: default_model page: /record/chatgpt/default_model as_of: 2026-11-13 cite: AsOf. "ChatGPT default model: GPT-6 Luna", as of 2026-10-08. Claim clm_FB7688228F76, https://asof.is/claim/clm_FB7688228F76, accessed 2026-11-13. Source: https://help.openai.com/en/articles/6825453-chatgpt-release-notes. As of November 13, 2026, ChatGPT's default model on the AsOf record is GPT-6 Luna, dated October 8, 2026, from a primary source (help.openai.com). 1 claim on ChatGPT's default model, 1 open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted. ## Current default model What the record asserts on 2026-11-13. - [ChatGPT](/record/chatgpt.md) | default_model | [GPT-6 Luna](/record/gpt-6-luna.md) | valid 2026-10-08 to present | conf 0.90 | valid | [clm_FB7688228F76](/claim/clm_FB7688228F76.md) sources: https://help.openai.com/en/articles/6825453-chatgpt-release-notes ## Every dated value One claim per line, oldest first. Superseded claims stay visible. - [ChatGPT](/record/chatgpt.md) | default_model | [GPT-6 Luna](/record/gpt-6-luna.md) | valid 2026-10-08 to present | conf 0.90 | valid | [clm_FB7688228F76](/claim/clm_FB7688228F76.md) sources: https://help.openai.com/en/articles/6825453-chatgpt-release-notes ## Questions this record answers ### What is ChatGPT's current default model? GPT-6 Luna, dated October 8, 2026, from a primary source (help.openai.com). The record asserts this claim as of November 13, 2026 (status valid, confidence 0.90). ## Read on - This page: /record/chatgpt/default_model (markdown: /record/chatgpt/default_model.md) - Entity twin: /record/chatgpt.md ยท timeline: /timelines/chatgpt.md --- AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.