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Recalld vs Harny

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

Recalld compared with Harny
Detail RecalldHarny logo Harny
What it doesThe memory layer for AI Agents Agent harness infrastructure that gives AI agents memory for each user, connected accounts, action limits and an audit record.
StageGrowing Not given
FoundedNot given Not given
Based inNot given CA
Pricing modelFreemium Freemium
PricingNot given Free: first 500 monthly-active end users per month, free forever. Paid: $0.30 per monthly-active end user above 500, billed monthly.
Key features
  • Long-term memory for AI agents
  • Automatic fact extraction and reconciliation
  • Curated recall retrieval
  • Raw vector search capability
  • Model Context Protocol integration
  • Regional data residency
  • End-to-end encryption
  • Right to erasure
  • Bring-your-own-key model support
  • Recalld Chat assistant
  • Timestamped memory ingestion with backdating capability
  • Per-user data isolation and privacy scoping
  • Ranked memory recall with dated evidence
  • Connected accounts integration per user
  • Long-running agent jobs with folder-level operations
  • Configurable token ceiling per API call
  • Enforced action limits on agent operations
  • Complete action audit trail with hash chaining
  • MCP server integration for Claude and other clients
What makes it different
  • Curated recall uses 6.7× fewer tokens than raw search while maintaining accuracy
  • Automatic fact updating and reconciliation without manual deduplication pipelines
  • Verified on open benchmark maintained by independent company
  • Native MCP server requiring no SDK or glue code
  • GDPR-compliant by design with transparent data handling
  • Highest published BEAM benchmark score at 128K tokens: 85.1, compared to competing memory systems
  • 98% fewer tokens required than raw tool output, making responses 4× cheaper
  • Works with 20+ agent frameworks including LangChain, LangGraph and LlamaIndex
  • First 500 monthly-active end users free forever
  • Per-person billing model scales with user growth, not API calls
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)7 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)150
Referring domains (Majestic)101

4 details filled in for both companies.

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