---
type: lookup
id: o1-preview
asset: superseded-standards-mappings
title: "o1-preview — Superseded and deprecated identifier mappings"
sources:
  - https://developers.openai.com/api/docs/deprecations
source_quote: "2025-07-28 | o1-preview | o3 |"
generated: true
verified: false
harvested: 2026-08-04
stale_after: 2027-01-31
identifier: "o1-preview"
status: "Deprecated"
successor: "o3"
shutdown_date: "2025-07-28"
unverified_fields: status
---
**Identifier:** o1-preview

**Status:** Deprecated

**Successor:** o3

**Shutdown date:** 2025-07-28

> 2025-07-28 | o1-preview | o3 |

Source: <https://developers.openai.com/api/docs/deprecations>