openagent.email vs Living Brain
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
| Detail | 
openagent.email | 
Living Brain |
|---|---|---|
| What it does | Self-hosted email and task handoffs for AI agents with no vendor control plane | A persistent and self-learning interoperable memory layer for AI agents and tools. |
| Stage | Not given | Not given |
| Founded | Not given | Not given |
| Based in | Not given | Not given |
| Pricing model | Open source | Freemium |
| Pricing | Self-hosted is free under Apache-2.0 license (pay only for VPS infrastructure ~$5/month and domain ~$10/year). Hosted Pro Early Bird: $30.00/year one-time payment, no auto-renewal. | Living Brain API: $8 per 1M input tokens and $0.50 per 1M output tokens, pay as you go with $5 minimum top-up and no monthly minimum. Living Brain Workspace: $99 per month (most popular), includes three team seats, $80 shared monthly credits for first three cycles then $50, managed Brains and agents |
| Key features |
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| What makes it different |
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| Free plan | Not given | Not given |
| Open source | Not given | Not given |
| Platforms | Not given | Not given |
| Public API | Not given | Not given |
| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 4 −1 (down) since last check | 12 +1 (up) since last check |
| Trust Flow (Majestic) | 3 | 7 |
| Citation Flow (Majestic) | 26 | 18 |
| Referring domains (Majestic) | 28 | 3 |
5 details filled in for both companies.
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