Living Brain vs Argentic

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 Argentic
Detail	Living Brain	Argentic
What it does	A persistent and self-learning interoperable memory layer for AI agents and tools.	An engine for long-running agents that rebuilds its prompt under a cap and runs on your budget
Stage	Not given	MVP
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
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	Prototype: free during beta, then from December 16, 2026 it costs $1 per 1,000 agent calls after 1,000 monthly included calls. Production: $20 a month with 20,000 agent calls included, then $1 per 1,000 calls after that. Top-ups: $1 per 1,000 calls, from $10 to $500 at a time, never expiring.
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	Prompt rebuilt from journal under token cap at each step to keep it bounded as history grows Spending limits checked before each model call at token prices you declare Resume after crash without repeating finished actions Tool calls returned as actions for your code to carry out Proof of what ran: check prompts, re-run engine, download hash-chained journal Integrations with Vercel AI SDK, OpenAI Agents SDK, LangGraph, Mastra, Pydantic AI MCP server for Claude Code, Claude Projects and Codex Works with any model via bring-your-own-key TypeScript and Python clients for HTTP API access
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	Bounded prompt under a fixed cap while history grows, so costs per call stop climbing on long sessions Every run recorded with cryptographic proof: rebuilable prompts, hash-chained journal, re-runnable engine Resumes from crash without repeating finished actions using stable idempotency keys Budget enforcement before each model call, not reactive overage billing No model key storage or logging; your provider bills you directly
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	Not checked yet no change since last check
Trust Flow (Majestic)	7	0
Citation Flow (Majestic)	18	9
Referring domains (Majestic)	3	4

5 details filled in for both companies.

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