Trillion vs Tana

An AI-powered notes and outliner workspace with a built-in meeting notetaker.

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	Trillion	Tana
What it does	Trillion has no AI of its own.	An AI-powered notes and outliner workspace with a built-in meeting notetaker.
Published plan price	See current plans	Pro: $20 early bird (listed $30) per user/month

Trillion
Trillion has no AI of its own. You connect the AI apps you already use, such as ChatGPT, Claude and Codex, and each one reads and adds to the same pursuits, decisions, files, lists, messages and tools in your Trillion. What you tell one AI, the others can read.
Tana
An AI-powered notes and outliner workspace with a built-in meeting notetaker.

Pick Trillion if
You want a shared memory product for several AI apps you already use.
Pick Tana if
You want a structured notes system with meeting capture in one app.

Trillion vs Perplexity
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Trillion vs Evernote
A long-running notes app with tasks, calendar, web clipper and AI search.
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Trillion vs Heptabase
A visual notes app with whiteboards and cards for research and learning.
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Trillion vs Manus
A general AI agent that builds websites, slides, apps and research reports from a request.
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Trillion vs Notion AI
Notion's built-in AI agent, meeting notes and search across Notion and connected apps.
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Trillion vs Raycast
A Mac launcher with built-in AI chat, notes and thousands of extensions.
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Reviewed 2026-10-12. Prices and capabilities can change; check the source before choosing.