Snowflake Horizon Catalog

Spec sheet

What it does

Horizon Catalog is Snowflake’s catalog for discovering and governing data and AI assets inside and outside Snowflake across engines, data types and clouds.Read 15 Oct 2026 · docs.snowflake.com

Founded

2012Read 4 Oct 2026 · snowflake.com

AI guardrails

AI guardrails can detect, redact and block sensitive information in agent outputs before delivery.Read 15 Oct 2026 · snowflake.com

API billing

Snowflake documents a planned charge of 0.5 credits per million Horizon REST API calls, with cross-region egress charged separately.Read 15 Oct 2026 · docs.snowflake.com

Company founded

Snowflake was founded in 2012.Read 15 Oct 2026 · g2.com

Company headquarters

Crunchbase lists Snowflake headquarters in San Mateo, California, United States.Read 15 Oct 2026 · crunchbase.com

Company legal name

Crunchbase identifies the maker as Snowflake Inc., a public company traded as NYSE:SNOW.Read 15 Oct 2026 · crunchbase.com

Company size

LinkedIn lists Snowflake in the 5,001–10,000 employee range.Read 15 Oct 2026 · linkedin.com

Connector security

Connector credentials are stored in an encrypted Snowflake-managed layer and SaaS connections require TLS 1.2 or newer.Read 15 Oct 2026 · docs.snowflake.com

Connectors

Preview metadata connectors cover BI tools such as Tableau, Power BI, Looker and ThoughtSpot, databases such as PostgreSQL, Oracle and SQL Server, and dbt.Read 15 Oct 2026 · docs.snowflake.com

Data quality

Continuous data-quality monitoring supports freshness checks, alerts and root-cause analysis.Read 15 Oct 2026 · snowflake.com

Documentation

Snowflake provides dedicated Horizon guides, developer references, tutorials and release notes.Read 15 Oct 2026 · docs.snowflake.com

External catalogs

Catalog-linked databases connect Horizon to ecosystems including AWS Glue and Azure OneLake.Read 15 Oct 2026 · docs.snowflake.com

Iceberg interoperability

It reads and writes Apache Iceberg tables and exposes an Iceberg REST Catalog API for Spark, Flink and Trino with governance applied.Read 15 Oct 2026 · docs.snowflake.com

Iceberg limitations

Documented REST limitations include unsupported remote/native tables in some paths, no equality-delete or branch/tag writes, and unsupported cloned tables with vended credentials.Read 15 Oct 2026 · docs.snowflake.com

Internal marketplace

Teams can discover and share governed data products internally without copying the data.Read 15 Oct 2026 · docs.snowflake.com

Limit: catalog gaps

Reddit users report missing business glossary features, unclear quality indicators, incomplete asset-status signals and administrator tasks that require code.Read 15 Oct 2026 · reddit.com

Limit: cost

TrustRadius and Gartner reviewers repeatedly flag Snowflake’s pricing and cost management as concerns.Read 15 Oct 2026 · trustradius.com

Limit: portability

TrustRadius reviewers report weaker multi-cloud portability and vendor-lock-in concerns around proprietary capabilities.Read 15 Oct 2026 · trustradius.com

Limit: refresh reliability

A Reddit discussion reports external Iceberg tables can stop refreshing without notice and describes some features as immature.Read 15 Oct 2026 · reddit.com

Lineage

Horizon provides column-level and end-to-end lineage spanning Snowflake and connected external databases and BI systems.Read 15 Oct 2026 · snowflake.com

Metadata permissions

Metadata connector privileges allow users to curate metadata and lineage without granting access to the underlying data.Read 15 Oct 2026 · docs.snowflake.com

Mobile app

Snowflake CoWork provides conversational AI, specialized agents, file and photo attachments, voice input and biometric login for accounts configured with CoWork.Read 15 Oct 2026 · play.google.com

Natural-language discovery

Snowflake CoCo searches tables, dashboards, notebooks, agents and external BI metadata using natural language.Read 15 Oct 2026 · snowflake.com

News: Horizon Context preview

On October 12, 2026, Snowflake released Horizon Context in preview with external metadata sources, editing and expanded lineage.Read 15 Oct 2026 · docs.snowflake.com

News: Summit announcement

On June 2, 2026, Snowflake announced Horizon innovations aimed at centralizing governance, context and AI security.Read 15 Oct 2026 · snowflake.com

Open-source foundation

Horizon is proprietary SaaS, but its catalog engine is based on Apache Polaris, an Apache-2.0 open-source project that can be operated independently.Read 15 Oct 2026 · snowflake.com

Outage

Snowflake’s status page recorded an October 6, 2026 incident where some regions experienced indefinitely loading pages or unreachable origins because of a third-party edge network.Read 15 Oct 2026 · status.snowflake.com

Praise: scalability

TrustRadius reviewers commonly praise scalability, performance on large datasets, automatic resource scaling and separated compute and storage.Read 15 Oct 2026 · trustradius.com

Praise: usability

G2 reviewers repeatedly praise Snowflake’s easy interface, simple integrations, Cortex and Snowsight.Read 15 Oct 2026 · g2.com

Rating on Apple App Store

4.9 out of 5 from 34 ratings for Snowflake CoWorkRead 15 Oct 2026 · apps.apple.com

Rating on G2

4.5 out of 5 from 800 reviewsRead 15 Oct 2026 · g2.com

Rating on Gartner Peer Insights

4.6 out of 5 from 545 reviewsRead 15 Oct 2026 · gartner.com

Rating on GetApp

4.7 out of 5 from 95 reviewsRead 15 Oct 2026 · getapp.sg

Rating on Trustpilot

2.3 out of 5 from 7 reviewsRead 15 Oct 2026 · trustpilot.com

Rating on TrustRadius

8.7 out of 10 from 486 reviewsRead 15 Oct 2026 · trustradius.com

Regional limitation

The October 12, 2026 Horizon Context preview is limited to commercial AWS and Azure regions and excludes government and China regions.Read 15 Oct 2026 · docs.snowflake.com

REST API

The Horizon Iceberg REST endpoint uses open protocol clients and supports external OAuth, key-pair, PAT and workload-identity authentication.Read 15 Oct 2026 · docs.snowflake.com

SDKs

Snowflake publishes drivers and connectors for Python, Java/JDBC, Node.js, Go, .NET, ODBC, PHP and Kafka.Read 15 Oct 2026 · docs.snowflake.com

Sensitive-data protection

The service classifies and tags sensitive data and enforces row filtering and column masking policies.Read 15 Oct 2026 · snowflake.com

SQL API scope

The SQL API submits, monitors and cancels SQL and supports most DDL and DML operations, while Snowflake says REST coverage is not yet 100 percent of SQL commands.Read 15 Oct 2026 · docs.snowflake.com

Plans and prices

Every Snowflake Horizon Catalog plan and price →

Where Specifiction places it

• Machine Learning Data Catalog Software#3 of 147.8
• OLAP Databases#16 of 307.9