
Second Brain for AI
Claim this toolYour personal, self-hosted AI context manager
From $4/user/mo, billed monthly (free plan available) Visit WebsiteThe Bottom Line
- Price
- From $4/user/mo, billed monthly (free plan available). Compare plans
Key facts
- Centralized memory for all AI tools.
- Self-hosted on Cloudflare's free tier.
- Semantic search for context recall.
Pros
- Provides a unified context across multiple AI tools, reducing repetition.
- User-owned and controlled data, not tied to any single AI platform.
- Free to host on Cloudflare's free tier for personal scale.
- Supports various input methods for easy memory capture.
- Utilizes semantic search for intelligent recall, not just keyword matching.
Cons
- Requires some technical setup for deployment and configuration.
- Reliance on Cloudflare's ecosystem, though on the free tier.
- May require manual integration with some less common AI clients.
What is Second Brain for AI?
Key Features
- Store ideas, decisions, and project context
- Semantic search for recalling memories by meaning
- Append updates to existing entries without duplicates
- Replace content of existing entries
- Browse recent memories by date
- Delete entries
- CLI for terminal interaction (remember, recall)
- Obsidian plugin for automatic note syncing
Pricing Plans
Free TrialPricing checked Oct 13, 2026. Source: github.com/pricing, read Oct 13, 2026
| Plan | Price | Details |
|---|---|---|
| Free | $0 USD per month |
+3 more Show less
|
| Team | $4 USD per user/month |
+9 more Show less
|
| Enterprise | Starting at $21 USD per user/month |
+7 more Show less
|
Is Second Brain for AI worth the price?
This pricing structure is generous, especially for individual developers and small teams.
The Free tier offers substantial features for $0, while the Team tier at $4 per user/month provides excellent value for collaborative development. The Enterprise tier starting at $21 per user/month caters to larger organizations with advanced security and compliance needs.
Hidden Costs & Gotchas
Overage fees for CI/CD minutes beyond limits
Additional storage costs for Packages
How Second Brain for AI's pricing compares
At $4/user/mo, billed monthly, Second Brain for AI is the most affordable of its 5 comparable direct competitors.
Not ranked, different unit or currency: Recall 2.0 $10/mo, billed yearly.
Entry paid plan, monthly price, per user, billed monthly. Pricing checked Oct 13, 2026.
Second Brain for AI by the numbers
Toolradar data: Second Brain for AI's entry paid plan ($4/user/mo, billed monthly) ranks #1 of 18 (joint) for price among the Knowledge Base tools with a verified entry price per user, where the median is $7.35/user/mo. As of Oct 2026.
| Metric | Second Brain for AI | Peer median | Position (1 is best) |
|---|---|---|---|
| Entry paid plan | $4/user/mo, billed monthly | $7.35/user/mo | #1 of 18 (joint) tools priced per user, verified price |
| Free plan | Yes | 60% have one | n/a |
Each position is counted among the tools that have data for that row, as noted under it. A lower entry price ranks higher; prices are read on vendor pages and compared only with tools priced on the same basis. All Knowledge Base data · How we compute this. Advertising and placement fees are not inputs to any position.
Cite this: Toolradar, “Second Brain for AI by the numbers”, Oct 2026.
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Second Brain for AI FAQ
How does Second Brain for AI centralize information for different AI tools?
What kind of user benefits most from Second Brain for AI?
How is Second Brain for AI priced?
What are the main limitations of using Second Brain for AI?
Can Second Brain for AI integrate with existing note-taking workflows?
How does Second Brain for AI compare to a competitor like Mem?
Does Second Brain for AI use keyword matching for recall?
How does Second Brain for AI pricing compare with other Knowledge Base tools?
Source: github.com