openai · OpenAI Platform Docs

Upgrading to GPT-5.4

A structured migration guide for upgrading existing integrations to the GPT-5.4 model, covering inventorying model usage, classifying upgrade complexity, and performing no-code compatibility checks.

Import to Prompt Buddy

Derived skill

Files assembled from official documentation

Viewing SKILL.md

Upgrading to GPT-5.4

A structured migration guide for upgrading existing integrations to the GPT-5.4 model, covering inventorying model usage, classifying upgrade complexity, and performing no-code compatibility checks.

When To Use

Use when upgrading an existing integration to GPT-5.4 to determine if the change can be limited to a model string update or if it requires prompt rewrites and code changes.

Reference Files

File	Contains	Use For
`SKILL.md`	Entry point: scope, routing table, and workflow.	Start here.
`docs/upgrading-to-gpt-5-4-workflow-guide.md`	A guide detailing the upgrade posture, workflow, and model string requirements for transitioning integrations to GPT-5.4.	Questions about a guide detailing the upgrade posture, workflow, and model string requirements for transitioning integrations to GPT-...

What This Skill Covers

Use this guide when the user explicitly asks to upgrade an existing integration to GPT-5.4. Pair it with current OpenAI docs lookups. The default target stri...
Main sections: Upgrade posture, Upgrade workflow, Upgrade outcomes, model string only, model string + light prompt rewrite.

Workflow

Open the most relevant file under docs/ for the exact documented workflow and wording.
Open schemas/ files for exact structured contracts.
Open examples/ files for concrete requests, commands, snippets, and manifests.
Do not add behavior or configuration that is not present in the attached source files.

Canonical source: https://developers.openai.com/api/docs/guides/upgrading-to-gpt-5p4.md