memsprout vs Perseus Computing
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
memsprout compared with Perseus Computing
| Detail | 
memsprout | 
Perseus Computing |
|---|
| What it does | Shared AI-context layer for teams
| High-assurance infrastructure for AI agents
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| Stage | Startup
| Not given
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| Founded | Not given
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| Based in | Not given
| US
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| Pricing model | Freemium
| Open source
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| Pricing | Individual: $10/month. Team: $15 per user per month. Enterprise: Custom pricing. All plans start with 14-day free trial.
| Not given
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| Key features | - Connect any MCP client
- Space-based access control with owner, editor, and viewer roles
- Version history on every memory
- Per-memory attribution and provenance tracking
- Row-level security in Postgres
- Topic-based organization within Spaces
- Works with Cursor, Claude Code, Copilot, ChatGPT
- Priority support on Team and Enterprise plans
- Personal and Shared Spaces
| - Harpe: chooses what an AI agent reads under a token budget with consistent results
- Kibisis: keeps agent memory on your hardware with AES-256-GCM encryption
- Argus: append-only record that detects edits with cryptographic verification
- No network code by default for local and disconnected use
- MIT License with published code, benchmarks and raw results
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| What makes it different | - Tool-agnostic across mixed AI stacks instead of locked to one vendor
- Works across teams without copy-paste or re-explaining context
- Person-first design where everyone maintains their own knowledge slice
- Single-team pricing with no enterprise minimum
- Shared control through role-based permissions and governance
| - Measured empirical validation across 6,111 questions outperforming full-context models
- Zero plaintext on disk with encrypted vaults matching plaintext accuracy
- 78.3% fewer tokens sent to the model with a 1,200-token budget per turn
- Preserves conversational chronology and relational qualifiers under token budgets
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 3 ▼ −1 (down) since last check | 42 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 1 | 3 |
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| Citation Flow (Majestic) | 27 | 24 |
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| Referring domains (Majestic) | 71 | 62 |
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4 details filled in for both companies.
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