# 2025-04-29

What the record holds about this day.


## Became true

- [Allen Institute for AI](/record/allen-institute-for-ai.md) | hf_repo_created | allenai/OLMo-2-0425-1B-Instruct | valid 2025-04-29 to present | conf 0.90 | valid | [clm_97BF6279A571](/claim/clm_97BF6279A571.md)
- [Allen Institute for AI](/record/allen-institute-for-ai.md) | hf_repo_created | allenai/OLMo-2-0425-1B-RLVR1 | valid 2025-04-29 to present | conf 0.90 | valid | [clm_F4E812B55D8C](/claim/clm_F4E812B55D8C.md)
- [Microsoft](/record/microsoft.md) | hf_repo_created | microsoft/Phi-4-mini-reasoning | valid 2025-04-29 to present | conf 0.90 | valid | [clm_FA1B1617C9AA](/claim/clm_FA1B1617C9AA.md)
- [OpenAI](/record/openai.md) | announcement | Sycophancy in GPT-4o: what happened and what we’re doing about it | valid 2025-04-29 to present | conf 0.50 | valid | [clm_B2751594BD36](/claim/clm_B2751594BD36.md)

## Stopped being true

- none

## Recorded or changed on this day

- none

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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.