---
type: lookup
id: ft-gpt-4
asset: superseded-standards-mappings
title: "ft-gpt-4 — Superseded and deprecated identifier mappings"
sources:
  - https://developers.openai.com/api/docs/deprecations
source_quote: "October 23, 2026 | ft-gpt-4 | gpt-5.5 |"
generated: true
verified: false
harvested: 2026-08-04
stale_after: 2027-01-31
identifier: "ft-gpt-4"
status: "Deprecated"
successor: "gpt-5.5"
shutdown_date: "October 23, 2026"
unverified_fields: status
---
**Identifier:** ft-gpt-4

**Status:** Deprecated

**Successor:** gpt-5.5

**Shutdown date:** October 23, 2026

> October 23, 2026 | ft-gpt-4 | gpt-5.5 |

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