Comparisons · Write marketing content and posts
Best AI agent to write marketing content and posts
Plan and write social posts, emails and blog content in your brand voice. Here are 6 agents that can do it, with prices we checked on each vendor's own page.
Quick answer
- 6 agents compared, all with verified prices.
- Free plan available: Kite, Atoms, HubSpot Breeze Agents.
- We don't rank them. Pick by price, where it runs and the setup steps on each agent's page.
| Agent | What it does | Price (verified) | Free plan | Works on |
|---|---|---|---|---|
| Jasper Agents | Marketing agents that produce on-brand content | $69/seat/mo ($59 annual)checked Oct 14, 2026 | No | Web |
| Sintra | Team of AI helpers for social, email, support, SEO | $15.60/mo (sale; regular $52)checked Oct 14, 2026 | No | Web |
| Marblism | AI employees for inbox, calls, social, SEO | $24/mochecked Oct 14, 2026 | No | Web |
| Kite | AI marketer in Slack that builds strategy, sites, emails, prospect lists | $100/mo (free plan available)checked Oct 14, 2026 | Yes | Slack |
| Atoms | Agent team builds apps and markets them | $0 (Pro from $20/mo)checked Oct 14, 2026 | Yes | Web |
| HubSpot Breeze Agents | Prospecting, customer, content agents inside HubSpot | from $7/mo/seat promo ($20/mo/seat list)checked Oct 14, 2026 | Yes | Web |
See the full job page, with example instructions
Free weekday email
The Daily Hire starts Monday, Oct 19
Every weekday morning: the new AI agents we added, what job each one does, and what it costs. Five minutes, free.
Or follow along on X: Follow @hirethebot