brethof-brain vs Subquadratic
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 Subquadratic
| Detail | 
brethof-brain | 
Subquadratic |
|---|
| What it does | Memory system for AI agents that processes but never stores your data
| Efficiency is Intelligence
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| Stage | Not given
| Startup
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| Founded | Not given
| Not given
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| Based in | PL
| US
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| Pricing model | Freemium
| Paid
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| 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.
| Free 100M tokens for new users. $0.04 per 1M tokens for input tokens.
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| 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
| - 384K token context window
- Multimodal input support
- 100K tokens processed in less than a second
- Structured output for direct code use
- Subquadratic Sparse Attention algorithm for efficient compute
- $0.04 per 1M tokens pricing
- Customer content not used for model training
- Data retention limited to 60 days
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| 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
| - First long-context decision model purpose-built for enterprise work
- Frontier-level decision-making performance at 5-10x lower cost than frontier LLMs
- Tied for #1 on Artificial Analysis Decision Index
- Processes entire codebase or data room in single context window
- Speeds agent reasoning from minutes to seconds
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 10 ● no change since last check | 52 ● no change since last check |
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| Trust Flow (Majestic) | 4 | 17 |
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| Citation Flow (Majestic) | 27 | 37 |
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| Referring domains (Majestic) | 23 | 654 |
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6 details filled in for both companies.
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