VitalSend™ vs RELAI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

VitalSend™ compared with RELAI
Detail	VitalSend™	RELAI
What it does	Send files encrypted from AI agents	The continual learning engine for AI agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	SE	Not given
Pricing model	Not given	Freemium
Pricing	Free: 3 transfers per month up to 1 GB each with verified email account. One transfer: from €2.50 (up to 1 GB), €3.50 (up to 10 GB), €5.50 (up to 100 GB), €9.50 (up to 1 TB). Basic: €9/month (first month €0.90), 20 credits monthly. Pro: €19/month (first month €1.90), 80 credits monthly. Extra credit	RELAI Free: $0. RELAI Enterprise: Custom pricing.
Key features	End-to-end encryption with XChaCha20-Poly1305 One-time download only, then automatic destruction Supports files up to 1 TB Password protection included by default Integration with Claude, Cursor and Claude Desktop API key support for CI and scripts Resumable uploads for large files No readable file contents stored by service	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
What makes it different	Files encrypted on sender's device before upload Automatic permanent destruction after one download No recovery possible by design Repeated wrong password attempts destroy the transfer	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
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)	Not checked yet no change since last check	23 no change since last check
Trust Flow (Majestic)	0	13
Citation Flow (Majestic)	0	25
Referring domains (Majestic)	0	79

4 details filled in for both companies.

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