openagent.email vs Apollo-1

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

openagent.email compared with Apollo-1
Detail	openagent.email	Apollo-1
What it does	Self-hosted email and task handoffs for AI agents with no vendor control plane	Neuro-symbolic AI for enterprise agents that combine language understanding with symbolic logic in one integrated runtime
Stage	Not given	Established
Founded	Not given	2017
Based in	Not given	US
Pricing model	Open source	Contact for pricing
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.	Not given
Key features	MCP 2026-07-28 support for Claude, Cursor, Kimi Code and other clients Unlimited agent mailboxes on your own domain Email-backed agent-to-agent task threads with stamped states	One integrated runtime combining neural and symbolic systems Deterministic policy enforcement before action Complete execution trace for every turn Natural language program authoring with code generation Consistent decisions from identical inputs CPU-based logic execution with lightweight language models Managed service and custom enterprise deployment options
What makes it different	Apache-2.0 open source with no vendor control plane or per-inbox software fees Mail stays on your server under your control unless you explicitly opt into external services Built-in OTP extraction tested against real services from US and Chinese providers	Symbolic logic governs decisions instead of neural weights Lower operational costs through CPU-based logic and lightweight models
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	20 no change since last check
Trust Flow (Majestic)	3	11
Citation Flow (Majestic)	26	33
Referring domains (Majestic)	28	155

4 details filled in for both companies.

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