Best AI tool to run an always-on personal assistant
Spark runs around the clock in Google's cloud and already knows your Gmail, Calendar and Docs. If you live in Google's apps, it needs the least setup.
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- price unverified
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- Checked
- Oct 14, 2026
OpenAI's assistant with agent mode, search and voice.
Open-source personal assistant you host yourself. You pay for your own model.
Skip Gemini Spark if you're not on Google AI Pro. ChatGPT (Pro, Dots) is the runner-up; Dots isn't offered in the EEA, UK or Switzerland. OpenClaw is free if you can host it.
No tested prompt for this use case yet.
Picks are editorial judgments. Prices marked verified were checked on the official pricing page on the date shown; unverified prices are labeled.
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