Steep
Standalone
Metrics-first BI with a built-in semantic layer, Steep AI and a hosted MCP server, priced per seat from $15 a month.
Semantic layers
One definition of revenue, served to every BI tool.
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Lightdash
Inside BI
Open-core BI that reads metrics and joins from your dbt project; free to self-host, Cloud Pro is a flat $3,000 a month for unlimited users.
Kyvos
Standalone
Semantic layer that pre-builds OLAP aggregates on cloud data and serves Power BI, Excel and Tableau over DAX, MDX and SQL.
Custom pricing Euno
Standalone
Euno connects metadata, lineage, and business context across data tools to support governance workflows and AI assistants.
Platform fee + per-user pricing Honeydew
Standalone
A semantic layer for shared business metrics, governed BI queries, and AI analysis over warehouse data.
Free open source Malloy
Standalone
Open-source semantic modeling and query language for reusable metrics, nested analytics, and SQL generation across supported databases.
Custom pricing Looker (LookML)
Inside BI
Looker’s integrated semantic layer uses LookML to define shared business metrics, control data access, and power reporting and conversational analytics.
Custom pricing AtScale
Standalone
Enterprise semantic layer for shared business metrics across BI tools and AI applications, with Git-backed modeling and aggregate-based query acceleration.
Freemium; open-source Core Cube
Standalone
Semantic modeling and caching for consistent metrics across BI, AI agents, and embedded analytics, with an open-source Core and a managed analytics platform.
Free MetricFlow engine; paid hosted service dbt Semantic Layer (MetricFlow)
Standalone
Governed metrics alongside dbt models, powered by the open-source MetricFlow engine, with paid hosted APIs for BI, spreadsheets, and AI consumers.