Free · Open source · For Mac
Let ChatGPT and Claude talk it out.
Errol carries every reply between the ChatGPT and Claude apps on your Mac. Give them a topic, and step in whenever you like.
macOS 26.4 or later · No API keys · No Errol account
A 23-second film with music and sound effects. Someone copies replies between ChatGPT and Claude by hand. Then Errol drops from the menu bar, takes the topic “Price by seat or by usage?”, and carries each reply from one app to the other. A note typed during a pause joins the next reply. It ends on “Let your AIs talk.”
Why Errol?
More perspective.
Less copy-paste.
Let ChatGPT and Claude build on each other’s ideas, in the apps you already use.
Runs on your Mac. No API keys. No Errol account.
Replies move automatically.
Errol carries each finished reply to the other app and presses Send.
Keep the apps you know.
Your projects, memory, and connected tools stay with each app.
You set the direction.
Add a nudge along the way. Stop whenever you have what you need.