openagent.email vs Zep

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 Zep
Detail	openagent.email	Zep
What it does	Self-hosted email and task handoffs for AI agents with no vendor control plane	The unified context layer for enterprise data
Stage	Not given	Not given
Founded	Not given	2023
Based in	Not given	US
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.	Free plan: 10,000 credits per month. Flex plan: $125/month with 50,000 credits included, then $25 per 10,000 credits. Flex Plus: $375/month with 200,000 credits included, then $75 per 40,000 credits. Enterprise: custom credits with negotiated rates. Credits consumed based on Episode size: 1 credit p
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	Sub-200ms context retrieval at scale Temporal context graphs with point-in-time queries
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	Reduces token use by up to 90% compared to traditional retrieval Temporal context graphs that track how business information changes over time Enterprise-scale Context Lake supporting millions of graphs
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	70 +1 (up) since last check
Trust Flow (Majestic)	3	16
Citation Flow (Majestic)	26	44
Referring domains (Majestic)	28	2072

5 details filled in for both companies.

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