ChatGPT
A strong choice for running Finn tutoring sessions.
MenuAI Assistants
Use the assistant that suits you.
Fluent Fish is designed to give you a choice. You do not need a particular AI assistant to study with Finn.
Which AI assistant should I use?
Start with what you already use.
At the time of writing, several AI assistants work well with Finn on their free versions. We recommend starting with whichever free AI assistant you already use or have access to—most modern AI assistants will handle your Finn tutoring sessions well.
This page gives our current recommendations. Because AI assistants change over time, we keep this information online so that it can stay up to date.
Current recommendations
Four good places to start
You are free to choose whichever you prefer. A paid subscription is not required simply because a service offers one.
Gemini
A strong choice for running Finn tutoring sessions.
Claude
A strong choice for running Finn tutoring sessions.
Microsoft Copilot
A strong choice for running Finn tutoring sessions.
If something goes wrong
Try another assistant.
If a Finn lesson does not start or run correctly, first open a new chat and paste the complete prompt again. If the problem continues, try one of the other assistants above.
Last reviewed: August 2026