How to Cite ChatGPT or another AI Tool in Chicago

APA cites the company and the model version; MLA and Chicago cite the prompt you typed. Check your course's AI policy first. This page follows Chicago 18th edition (notes and bibliography), 18th edition (2024).

Chicago format for ChatGPT or another AI tool

Chicago 18th edition (notes and bibliography)

Bibliography entry

OpenAI. “Is the Left Brain Right Brain Divide Real or a Metaphor?” Mar 14 version. ChatGPT, March 14, 2023. https://chat.openai.com/chat.

Footnote

“Is the Left Brain Right Brain Divide Real or a Metaphor?,” Mar 14 version, ChatGPT, OpenAI, March 14, 2023, https://chat.openai.com/chat.

Later footnotes

OpenAI, “Is the Left Brain Right Brain Divide Real or a Metaphor?”

Style: Chicago 18th edition (notes and bibliography)

Or enter it yourself:

Check the details

4 required fields are empty: the citation will be incomplete until you fill them in.

Company (required)

Missing: most styles need this.

Date of the conversation (required)

Missing: most styles need this.

Missing: most styles need this.

Missing: most styles need this.

Cite a specific place (optional)

Preview: Chicago 18th edition (notes and bibliography)

Bibliography (0)

Your citations appear here, formatted in Chicago 18th edition (notes and bibliography). They are saved in this browser only: nothing is sent to us, and no account is needed.

    Where to find the details

    • The version is the model name shown in the tool, such as GPT-4o or Claude.
    • Use a share link to the conversation as the URL when the tool offers one.

    Required in most styles: company, date of the conversation, tool name, url.

    Cite ChatGPT or another AI tool in another style

    Other sources

    Questions

    What do I need to cite ChatGPT or another AI tool in Chicago?

    At minimum: company, date of the conversation, tool name, url. The version is the model name shown in the tool, such as GPT-4o or Claude. Use a share link to the conversation as the URL when the tool offers one.

    What does ChatGPT or another AI tool look like in Chicago?

    Bibliography entry: OpenAI. “Is the Left Brain Right Brain Divide Real or a Metaphor?” Mar 14 version. ChatGPT, March 14, 2023. https://chat.openai.com/chat. Footnote: “Is the Left Brain Right Brain Divide Real or a Metaphor?,” Mar 14 version, ChatGPT, OpenAI, March 14, 2023, https://chat.openai.com/chat.

    Is this free?

    Yes. No account and no limit. Your bibliography is saved in this browser only, and you can export it to Word, BibTeX, RIS or CSL-JSON.

    Citations are formatted by citeproc-js by Frank Bennett (CPAL-1.0, or AGPL-1.0), the engine behind Zotero and Mendeley, running the official Citation Style Language styles (10,863 styles, commit 2e93558) and locales (commit a89adec), used under CC BY-SA 3.0. AGLC4 citations use the LexIntellect AGLC4 engine, checked against the Guide's worked examples. Always check a citation against the manual or your institution's guide before you submit.