# Claude 2 release date

entity: /record/claude-2.md  
predicate: model_release  
page: /record/claude-2/model_release  
as_of: 2026-11-04  

As of November 4, 2026, the AsOf record says Claude 2 was released on July 11, 2023, from a primary source (anthropic.com). The record holds 1 claim on Claude 2's release, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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.

- [Claude 2](/record/claude-2.md) | model_release | Claude 2 | valid 2023-07-11 to present | conf 0.95 | valid | [clm_BDD05838BB85](/claim/clm_BDD05838BB85.md)
  sources: https://www.anthropic.com/news/claude-2

## Every dated value

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 Superseded claims stay visible.

- [Claude 2](/record/claude-2.md) | model_release | Claude 2 | valid 2023-07-11 to present | conf 0.95 | valid | [clm_BDD05838BB85](/claim/clm_BDD05838BB85.md)
  sources: https://www.anthropic.com/news/claude-2

## Questions this record answers

### When was Claude 2 released?

On July 11, 2023, from a primary source (anthropic.com) (status valid, confidence 0.95).


## Get this data

- JSON: /v1/entities/claude-2/model_release (this fact) · /v1/entities/claude-2?predicates=model_release (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "claude-2", predicates: ["model_release"]) for every dated value · fetch(id: "/record/claude-2/model_release.md") for this page
- Entity twin: /record/claude-2.md · timeline: /timelines/claude-2.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.