Is the Gem 移行チェック tool official?

No. WeSales states the tool is not an official Google or OpenAI product and is based on help pages confirmed as of October 27, 2026.

What does the tool actually tell me?

After three questions, it shows whether any parts of your Gem will not migrate, what to save locally (instructions and files), and how to recreate a skill manually if needed.

Does the tool collect personal information?

No. It does not ask for names or email addresses and records only which buttons were pressed for page improvement.

Large Language ModelsAI Business & IndustryPR TIMES (AI)5m agoOct 30, 2026, 06:01 JST

WeSales launches free Gem 移行チェック tool ahead of Gems retirement

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3 Key Points

What happened
WeSales launched the free "Gem 移行チェック" tool, which asks three questions and shows what carries over, what doesn't, and what to save first.
Why it matters
The tool gives users a quick, no-signup way to see whether their custom AI setups will survive an upcoming platform transition, per WeSales.

WHO IT HITSIndividual users who built custom Gems or GPTs for work or study now have a self-serve way to check migration risks before the retirement dates, without needing to interpret help docs themselves.

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Context & Analysis

The checker arrives as Google and OpenAI are winding down two custom AI assistant formats that many individuals have come to rely on for routine tasks like drafting emails or organizing meeting notes. Google's help documentation indicates that Gems will automatically move to "skills" on November 17, 2026, but not everything survives the shift: GitHub files, audio, video, and older Office formats are left behind, and files over a 100MB total are dropped from largest first. ChatGPT's GPTs are set to end on December 11, 2026, with a later date of February 11, 2027 only for some Enterprise workspaces that received an approved extension.

The tool's three questions — whether you created the Gem, shared it, or connected files or Google Drive — aim to surface those gaps quickly. WeSales notes that some details, such as how shared settings or Drive-added files will be handled, are not covered in the help pages as of October 27, 2026, and the tool says so rather than guessing. Beyond the free check, WeSales offers a paid service to rewrite instructions for Gemini skills, ChatGPT custom instructions, or Claude projects, with early pricing at 480 yen until October 31, 2026.

FAQ

Is the Gem 移行チェック tool official?: No. WeSales states the tool is not an official Google or OpenAI product and is based on help pages confirmed as of October 27, 2026.
What does the tool actually tell me?: After three questions, it shows whether any parts of your Gem will not migrate, what to save locally (instructions and files), and how to recreate a skill manually if needed.
Does the tool collect personal information?: No. It does not ask for names or email addresses and records only which buttons were pressed for page improvement.

PR TIMES (AI)Read Original Article

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