Who makes ChatPEP
Updated Nov 5, 2026 · Applies to Web, iPhone, and Android · All plans
ChatPEP is made by Footnote Technologies LLC, a company based in Chicago, Illinois. It publishes ChatPEP on the web, in the Android app, and inside ChatGPT.
Where ChatPEP runs
- On the web at chatpep.com/app, on a computer or a phone.
- On Android, from Google Play.
- Inside ChatGPT, as a plugin. See Use ChatPEP from another AI assistant.
The iPhone app is not on the App Store yet. See ChatPEP on the web, iPhone, and Android.
PEP
PEP is the world's first AI model built for peptide research. The current version is PEP 3. Each release is announced in News with notes on what changed. See The PEP model and release notes.
What ChatPEP draws on
- Research. Answers draw on 200M+ peer-reviewed papers. Each claim points to the study behind it.
- The peptide database. 67 compounds have a page in the peptide database, with what each one is, how it works, and how strong the evidence is.
- Guides. 19 guides walk through a research task, from reading a study to checking the syringe math.
Reach the company
- Email support@chatpep.com, or write through Contact support.
- Partners share ChatPEP with their audience, with a page and an offer of their own. The program is by invitation; Partners says how to be considered. See The partner program.
ChatPEP does not sell peptides or any other compound, and Footnote Technologies LLC does not either.
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Related articles
- What ChatPEP is, and what it is notChatPEP is an AI research assistant for peptides that cites its sources. It is research only, not medical advice.
- The PEP model and release notesPEP is the world's first AI model built for peptide research. Where to read each release's notes, and what you need to do.
- Use ChatPEP from another AI assistantAdd ChatPEP to ChatGPT or another AI assistant so it can show you cited ChatPEP answers. What it can and cannot see, and how to disconnect it.
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