RELAI vs ModelBrain RAG
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
RELAI compared with ModelBrain RAG
| Detail | 
RELAI | 
ModelBrain RAG |
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| What it does | The continual learning engine for AI agents
| An HTTP document search API for your apps
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| Stage | Not given
| Not given
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| Founded | Not given
| 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 | RELAI Free: $0. RELAI Enterprise: Custom pricing.
| Not given
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| Key features | - Capture signals from code, requirements, and production traces
- Build and maintain EvalsWiki as versioned behavioral knowledge
- Find missing eval coverage and unclear expectations
- Generate complete evals with scenarios, environments, and evaluators
- Optimize harness across prompts, tools, workflows, and code
- Multi-objective optimization for quality, cost, latency, and KPIs
- Model selection, migration, and routing with evaluation
- Regression-controlled improvement with evaluation evidence
- Versioned storage in repository with pull requests
| - Search passages that match a query with scores and file references
- Manage collections and add or remove documents over HTTP or web interface
- Share vaults and partitions for search-only access
- API keys with read, write or admin access levels
- Web interface for search and administration
- User account management with three access levels
- Full-text and vector search indexes
- Runs locally on 127.0.0.1 with no outgoing connections
- SHA-256 hashed API keys and scrypt hashed passwords
- Limit lists restrict collections and vaults per user or API key
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| What makes it different | - Turns failures into replayable learning environments
- Prevents regressions by keeping previous evals in the loop
- Integrates with existing observability stacks and traces
- Preserves business intelligence versioned in repository
- Adapts harness to model changes without redefining use cases
| - Runs entirely locally on your computer with no outgoing connections
- Free and open source with MIT license
- Does not write answers or contain a language model
- Shared vaults and partitions are search-only and cannot be modified
- Integrates with any language model of your choice
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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) | 22 ▼ −1 (down) since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 13 | 3 |
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| Citation Flow (Majestic) | 25 | 27 |
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| Referring domains (Majestic) | 79 | 17 |
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4 details filled in for both companies.
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