Where are the SunsetDiff guides?
They are listed on Guides. Each page has a direct answer, steps, and a link to the official page the facts came from.
Guides
These pages answer the practical questions around a model shutdown. Dates and error codes stay on the model, shutdown, and error pages. Facts about a provider link the official page they came from. Word definitions, including deprecated versus retired, are in the glossary. Last reviewed . Publisher: SunsetDiff.
| Guide | Summary |
|---|---|
| Model aliases vs pinned snapshots | Which model names can move to a new snapshot, and which ids stay fixed. |
| Pre-migration test checklist for a deprecated AI model | What to retest before you point production at the replacement model. |
| Why the same model shuts down on a different date | Azure, Bedrock, and Vertex publish their own retirement dates for a model the first-party API also serves. |
| How to get notified before an AI model shuts down | RSS, the deadlines calendar, the JSON files, and the official provider notices. |
| How much notice before an AI model shuts down | The minimum notice each provider publishes, and the exceptions. |
| How to swap a deprecated model in LiteLLM, OpenRouter, the AI SDK, and LangChain | Change the model string. Add a fallback only where the library documents one. |
| What happens on AI model shutdown day | The call fails or the deployment stops. The HTTP sentence is on the error pages when a source printed one. |
| How to find every model ID in your codebase | Search the repo for provider id shapes, then check matches against the scan list. |
| Check model shutdown dates programmatically | Read the JSON or CSV SunsetDiff publishes. Each date cites the official page. |
Questions
Do the guides replace the model, error, and shutdown pages?
No. A guide links the model pages, request errors, shutdown batches, and migration diffs. Those pages keep the dated rows.
Who publishes the guides?
Publisher: SunsetDiff. The site is independent and not affiliated with any AI provider.