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OpenMOCA™ vs Umwelt

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

OpenMOCA™ compared with Umwelt
DetailOpenMOCA™ logo OpenMOCA™Umwelt logo Umwelt
What it doesAn open standard for portable grounding for AI that packages knowledge with its structure and original sources An epistemic state engine that tracks what each character knows, and how they learned it
StageNot given Not given
FoundedNot given Not given
Based inGB Not given
Pricing modelOpen source Open source
PricingNot given AGPL-3.0-only open source license. Commercial license available for closed-source products, services and hosted APIs. Free Play Exception covers free games, mods, interactive fiction and tabletop tools (excluding games with price, in-game purchases, ads, paid content or early access).
Key features
  • Modular knowledge packages with optional ontology structure
  • Readers in TypeScript, .NET and Python for consistent package interpretation
  • RAG with verifiable citations and provenance tracking
  • Signed packages and reviews for trust verification
  • Sidecar indexes with lexical and semantic search
  • Agent framework integrations including LangChain and LlamaIndex
  • Tracks what each character knows and how they learned it
  • Prevents AI models from leaking story information or twists
  • Records confirmed history that is never deleted
  • Single portable .umw file for entire world state
  • Works across TypeScript, .NET, CLI and any language via JSON protocol
  • Query from any character's point of view at any moment in time
  • Performance of 55-65 microseconds per query with half a million holdings
  • Free Play Exception for non-commercial games and tabletop tools
What makes it different
  • Citations and provenance you can verify against original sources
  • Run offline on your own infrastructure without network dependency
  • Signed packages and reviews proving who published and checked content
  • Content freshness and scope enforcement removing outdated or irrelevant passages
  • Separates world state from character knowledge to prevent narrative leakage
  • Guarantees written down with conformance testing across all clients
  • Idempotent writes ensure consistency across retries
  • Works without AI or can control what AI models are allowed to know
  • Open source with commercial licensing option for closed-source products
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)1 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)04
Citation Flow (Majestic)012
Referring domains (Majestic)01

4 details filled in for both companies.

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