# Claude 2

id: ent_claude-2  
kind: product  
timeline: /timelines/claude-2.md  
page: /record/claude-2  
same_as: https://asof.is/record/claude-2 (how to cite the id: /identifiers.md)  

second-generation Claude model, launched with claude.ai beta

## Fact pages

One page per fact: the current value with its sources, then every dated value and what replaced what. Fetch any of them as markdown.

- [Claude 2 release date](/record/claude-2/model_release.md)
- [Claude 2 deprecation](/record/claude-2/deprecated.md)
- [Claude 2 retirement](/record/claude-2/retired.md)

## All claims

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 Superseded claims stay visible.

- [Claude 2](/record/claude-2.md) | retired | claude-2.0 | valid 2025-07-21 to present | conf 0.95 | valid | [clm_0B7F94BB5045](/claim/clm_0B7F94BB5045.md)
  sources: https://platform.claude.com/docs/en/about-claude/model-deprecations
- [Claude 2](/record/claude-2.md) | deprecated | claude-2.0 | valid 2025-01-21 to present | conf 0.95 | valid | [clm_375E68384ECF](/claim/clm_375E68384ECF.md)
  sources: https://platform.claude.com/docs/en/about-claude/model-deprecations

## Posts and Hugging Face repos (1)

Dated items from the entity's own feeds, and the days its Hugging Face repositories were created, newest first.

- [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

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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.