Trillion vs Circle
A platform for running paid communities, courses, events and memberships.
A platform for running paid communities, courses, events and memberships.



| What it does | Trillion | Circle |
|---|---|---|
| Works with the AI you already use | Yes | Not stated |
| Keeps decisions with their reasons | Yes | Not stated |
| Lists, a CRM or any table | Yes | Not stated |
| Files and recordings | Yes | Not stated |
| Shared spaces with other people | Yes | Yes |
| A marketplace of tools | Yes | Not stated |
| Publishes sites and pages | Yes | Not stated |
| Workflows, rules and schedules | Yes | Yes |
| Hands work from one AI to another | Yes | Not stated |
| Phone app | Yes | Yes |
| Free plan | Yes | — |
Checked 2026-10-12 on Circle's own pages. A dash means their pages show it does not; "Not stated" means their pages do not say.
You run a paid community or course business and want a branded home for it.
You want a shared place where each member's AI can work from group records and tools.
Professional: $89/mo, billed annually (USD, excluding taxes); 14-day free trial
Checked 2026-10-12. Prices change, so check Circle's own page before you buy.
Circle has no free plan. As published on 2026-10-12: Professional: $89/mo, billed annually (USD, excluding taxes); 14-day free trial
Its pages do not say. Trillion has no AI of its own: you connect ChatGPT, Claude, Codex or any AI you use, and each one reads and adds to the same work.
Pick Circle if you run a paid community or course business and want a branded home for it. Pick Trillion if you want a shared place where each member's AI can work from group records and tools.
Trillion X'er: $100/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.