Cosmo vs Sintra
Sintra is one of the "AI employees" tools for content and social: broad and inexpensive. Cosmo is narrower (only marketing) and deeper: he runs ads, outbound and launch end to end, and asks for your yes by text.
Head to head
| Topic | Cosmo | Sintra |
|---|---|---|
| What it is | One AI CMO who plans, makes and runs your marketing | "AI employees" for content and social |
| Where you work with it | WhatsApp, iMessage (US), Telegram, email and a web app (phone calls coming soon) | Web app |
| Paid ads | Yes: Meta, Google, TikTok, LinkedIn | Not found in our research |
| Cold email and outbound | Yes, from your own inboxes | Not found in our research |
| Launch directories | Product Hunt, Show HN, 50+ directories | Not found in our research. Check their site |
| Price | $99 a month, one plan, everything unlocked, no credits | Roughly $16–149 a month across this group of tools (approx., checked November 2026; check their site) |
Facts about Sintra come only from the sources below. Prices are approximate, last checked November 2026; check their site for current plans. Where we found nothing, we say so. If something here is wrong, email roy@cosmocmo.com and we'll fix it.
- · Our market research notes (third-party price aggregators), checked November 2026
Sintra fits if you mainly need help writing posts on a small budget. Cosmo fits if you want someone to run ads, outbound and launch, and approve it all from a chat.
What Sintra does well
- Low entry price.
- Broad: several "employees" for different content and social tasks.
Choose Sintra if
- You mainly need help writing posts and content.
- Budget matters more than ads or outbound.
Choose Cosmo if
- You want someone to run ads, outbound and launch, not just write.
- You'd rather approve work by text than log into a tool.
Cosmo and Sintra
Is Sintra cheaper than Cosmo?
Tools in this group cost roughly $16–149 a month in our research (approx., check their site). Cosmo is $99 a month with ads, cold email, launch and video included.
Does Sintra run paid ads?
We didn't find paid ads or outbound in our research. Cosmo runs both.
Related
See for yourself in 5 minutes.
Paste your URL and Cosmo texts you a 30-day plan. 7 days free.
Text Cosmo7 days free · cancel any time · nothing goes out without your yes