openai · OpenAI Platform Docs

Upgrading to GPT-5.5

A structured migration guide for upgrading existing integrations to the GPT-5.5 model, covering inventorying model usage, classifying upgrade classes, and performing compatibility checks.

Import to Prompt Buddy

Derived skill

Files assembled from official documentation

Viewing SKILL.md

Upgrading to GPT-5.5

A structured migration guide for upgrading existing integrations to the GPT-5.5 model, covering inventorying model usage, classifying upgrade classes, and performing compatibility checks.

When To Use

Use when upgrading an existing integration to GPT-5.5 to ensure minimal scope creep and maintain compatibility with existing API surfaces and prompt structures.

Reference Files

File	Contains	Use For
`SKILL.md`	Entry point: scope, routing table, and workflow.	Start here.
`docs/upgrading-to-gpt-5-workflow-guide.md`	A guide detailing the upgrade posture, workflow, and model string requirements for transitioning integrations to GPT-5.5.	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-5.5. 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-5p5.md