Use the core product for free. Go Pro if you want to support development and get early access to advanced controls as they roll out.
Use Speed Engine today on supported AI chat sites.
Chat content stays local to your browser.
Speed Engine is already useful on the free plan.
Pro is for people who want to support continued development, help fund advanced controls, and get the earliest access to heavier power-user workflows as they are introduced.
You are not paying to unlock basic ChatGPT or Claude support. Those core features remain available during Early Access.
Cancel anytime. Billing is handled securely through Stripe.
The free version should be genuinely useful.
During Early Access, Speed Engine keeps the core long-chat workflow available for everyone: ChatGPT and Claude support, compact mode, Load Previous, Re-compact, Show all carefully, provider toggles, and global disable.
Pro is designed for people who want to support an independent, privacy-conscious tool while helping fund more advanced controls for heavier workflows.
Pro will focus on advanced controls for people who push long AI chats hard:
These features will be added carefully. The priority is speed without breaking formatting, files, scrolling, or streaming responses.