# clm_C94095412863

subject: Codex (/record/openai-codex.md)  
predicate: model_release  
value: [GPT-5.1-Codex-Max](/record/gpt-5-1-codex-max.md)  
valid_from: 2025-11-19  
valid_to: null  
published: 2025-11-19  
recorded: 2026-11-03  
confidence: 0.50  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-04  
cite: AsOf. "Codex model release: GPT-5.1-Codex-Max", as of 2025-11-19. Claim clm_C94095412863, https://asof.is/claim/clm_C94095412863, accessed 2026-11-09. Source: https://openai.com/index/gpt-5-1-codex-max.  
checked: 2026-11-04 · its source page states the value and the date (its publisher's feed entry for the page)  

> Introducing GPT-5.1-Codex-Max, a faster, more intelligent agentic coding model for Codex.

What https://openai.com/index/gpt-5-1-codex-max says, word for word.

## Sources

- https://openai.com/index/gpt-5-1-codex-max (primary, OpenAI, published 2025-11-19)

---

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