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



| What it does | Trillion | Tana |
|---|---|---|
| Works with the AI you already use | Yes | Yes |
| Keeps decisions with their reasons | Yes | Not stated |
| Lists, a CRM or any table | Yes | Not stated |
| Files and recordings | Yes | Yes |
| Shared spaces with other people | Yes | Not stated |
| A marketplace of tools | Yes | Not stated |
| Publishes sites and pages | Yes | Not stated |
| Workflows, rules and schedules | Yes | Not stated |
| Hands work from one AI to another | Yes | Not stated |
| Phone app | Yes | Not stated |
| Free plan | Yes | Yes |
Checked 2026-10-12 on Tana's own pages. A dash means their pages show it does not; "Not stated" means their pages do not say.
You want a structured notes system with meeting capture in one app.
You want a shared memory product for several AI apps you already use.
Checked 2026-10-12. Prices change, so check Tana's own page before you buy.
Tana has a free plan. As published on 2026-10-12: Pro: $20 early bird (listed $30) per user/month
Its own pages say it connects outside AIs. Trillion is built around it: you connect ChatGPT, Claude, Codex or any AI you use, and each one reads and adds to the same work.
Pick Tana if you want a structured notes system with meeting capture in one app. Pick Trillion if you want a shared memory product for several AI apps you already use.
Trillion X'er: $50/month per spot, plus measured usage at the listed rates with a small margin. One plan for yourself, a group or a company. The first 7 days are free.
Connect ChatGPT, Claude, Codex or any AI you use. Trillion keeps your decisions, files, lists and people, so every AI you open carries on from the same place.