GPT-4.5 · model releaseGPT-4.5

Valid from

2025-02-27

Valid until

still holds

Published

2025-02-27

Recorded by AsOf

2026-11-04

Checked

2026-11-04 · mirrors a checked claim on the organization's record

Confidence

0.95

Sources

• https://developers.openai.com/api/docs/changelog.mdprimary · developers.openai.com
• OpenAI GPT-4.5 System Cardprimary · openai.com · 2025-02-27
• GPT-4.5secondary · wikidata.org

/claim/clm_CD5AF70E4501.md/v1/claims/clm_CD5AF70E4501timelinesubmit a correction