Living Brain vs Replyz

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

Living Brain compared with Replyz
Detail	Living Brain	Replyz
What it does	A persistent and self-learning interoperable memory layer for AI agents and tools.	Email for your AI agent
Stage	Not given	MVP
Founded	Not given	Not given
Based in	Not given	PT
Pricing model	Freemium	Not given
Pricing	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	Not given
Key features	Semantic search and connection discovery Memory scoring and optimization REST API, SDK, CLI and MCP support Document extraction and storage Audio transcription Webhook subscriptions and integrations Slack and Telegram capture Scheduled briefs and page history Markdown export and structured output Multi-brain and team collaboration	Works with OpenClaw, Hermes, and Claude Code MCP, CLI, or skill integration options Automatic verification code and link extraction Agent email waiting capability Human approval required for outgoing emails
What makes it different	22.6X fewer tokens per question and 95% lower cost per task vs full context baseline 0% hallucinations on LongMemEval-S evaluation Works across 60+ AI platforms via unified API	Inbox setup in 60 seconds No humans in the loop for email handling EU-hosted infrastructure Human approval before sending
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)	12 +1 (up) since last check	31 +31 (up) since last check
Trust Flow (Majestic)	7	0
Citation Flow (Majestic)	18	0
Referring domains (Majestic)	3	0

3 details filled in for both companies.

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