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dbt Semantic Layer vs LLMSchema

LLMSchema

6.3#14 in database documentation toolsFree plan
Free planLinuxmacOSSelf-hostedWindows
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What both publish

Factdbt Semantic LayerLLMSchema
PurposeThe Semantic Layer centralizes metric definitions on dbt models and automatically handles data joins for consistent use across downstream tools and applications.LLMSchema generates database schema documentation for LLMs and AI agents.

dbt Semantic Layer plans

  • DeveloperFree
  • dbt State add-on$0.09 a month
  • Starter$100 a month
  • EnterprisePriced on request
  • Enterprise+Priced on request

LLMSchema plans

  • Free (MIT-licensed software)Free

Pick dbt Semantic Layer if…

The Semantic Layer suits data teams that need governed, consistent metrics for analytics, embedded applications, or AI use cases. It is for organizations already using dbt Starter or Enterprise accounts to define and query metrics.

Pick LLMSchema if…

LLMSchema suits developers using AI-assisted coding who want schema documentation for PostgreSQL, MySQL, or SQLite development databases. It is available to teams that prefer a command-line tool or Go library.

Charts they share