About OpenCMO

The AI CMO that shows its work.

About OpenCMO

OpenCMO is an AI CMO for technical founders and indie hackers who ship product but have no marketing function. Cosmo, its marketing agent, researches your product, drafts campaigns, and delivers CMO briefs — and every draft stays a draft until you approve it. OpenCMO is a free public beta today: Google or email sign-in, no card required.

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What OpenCMO does

Cosmo researches your market, drafts campaigns and content, stages everything in an approval queue, and reports back in CMO briefs — research, drafts, approvals, and reporting in one loop instead of scattered chats and docs.

Who it is for

Built first for technical founders and indie hackers shipping SaaS or developer tools with no marketing team — and for early-stage teams that want CMO-level operating discipline before they hire one.

How it stays honest

Every draft carries its source and review status, nothing auto-posts, and the public roadmap labels what is live versus coming soon. The product shows its work instead of asking for trust.