# GPT-4.5

id: ent_gpt-4-5  
wikidata: Q132804879  
kind: product  
timeline: /timelines/gpt-4-5.md  
page: /record/gpt-4-5  
same_as: https://asof.is/record/gpt-4-5 (how to cite the id: /identifiers.md)  

large chat model released as a research preview

## 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.

- [GPT-4.5 deprecation](/record/gpt-4-5/deprecated.md)
- [GPT-4.5 retirement](/record/gpt-4-5/retired.md)

## All claims

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 Superseded claims stay visible.

- [GPT-4.5](/record/gpt-4-5.md) | retired | gpt-4.5-preview | valid 2025-07-14 to present | conf 0.95 | valid | [clm_E536C3F7329F](/claim/clm_E536C3F7329F.md)
  sources: https://platform.openai.com/docs/deprecations
- [GPT-4.5](/record/gpt-4-5.md) | deprecated | gpt-4.5-preview | valid 2025-04-14 to present | conf 0.95 | valid | [clm_F4F8B0B65988](/claim/clm_F4F8B0B65988.md)
  sources: https://platform.openai.com/docs/deprecations

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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.