brethof-brain vs Kairos

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

brethof-brain compared with Kairos
Detail	brethof-brain	Kairos
What it does	Memory system for AI agents that processes but never stores your data	The transaction layer for AI agents
Stage	Not given	MVP
Founded	Not given	Not given
Based in	PL	US
Pricing model	Freemium	Contact for pricing
Pricing	Free: 500 messages/month, 20 MB hosted storage. Starter: $9.99/month (founder price, regular $14.99), 2,000 messages/month, 500 MB storage. Pro: $19.99/month (regular $29.99), 4,000 messages/month, 2 GB storage. Team: $49.99/month (regular $74.99), 10,000 messages/month, 5 GB storage. Business: $99.	Per-execution pricing: one fee per execution that returns proof, charged only when proof comes back. Failed or cancelled runs cost nothing. Planning and approvals are free.
Key features	Curated records automatically maintained from conversations Standing rules loaded with most messages Full searchable chat history protected from deletion Decision graph showing reasoning and rejected options Session notes as agent handovers Reusable playbooks across agents and projects Ledger catching unstated intentions automatically Local or hosted storage with encryption Support for multiple AI agent platforms	Boundary approval system for controlled execution Checkpoint-based resumable execution Verifiable proof of completion Composable proof for multi-agent workflows Per-execution pricing model Integration with multiple agent frameworks
What makes it different	Encrypted storage where passphrase holder is the only key: even we cannot access it Founder pricing locked in permanently for early subscribers	Pay only for verified results, not for attempts or planning Human-approved boundaries ensure agent actions stay within limits Interruptible checkpoints allow pausing and resuming executions Proof is built into results for auditability and composability
Community votes	0	0
DR (Domain Rating by Ahrefs)	25 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	4	0
Citation Flow (Majestic)	27	10
Referring domains (Majestic)	23	1

6 details filled in for both companies.

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