Company comparison
Extend vs ClickHouse
Radar profile, momentum bars, and stack placement side by side.
Extend
Not scored
momentum
ClickHouse
Not scored
momentum
Extend capital
—
ClickHouse capital
—
No radar series.
Momentum head-to-head
Attribute tape
| Field | Extend | ClickHouse |
|---|---|---|
| Category | Data infrastructure | Data infrastructure |
| Stack | Layer 3 | Layer 3 |
| HQ | New York, NY, United States | San Francisco, CA, United States |
| Founded | — | 2021 |
| Status | Operating | Operating |
| Funding | — | — |
| Momentum | — | — |
| Summary | Extend is an LLM-native document processing platform that parses, classifies, and extracts structured data from complex unstructured files—PDFs, scans, handwriting, tables, and images—via APIs built for production AI workflows. It is designed for technical teams and AI agents that need reliable document intelligence at scale. | ClickHouse builds an open-source column-oriented SQL database optimized for real-time OLAP analytics, available as self-managed software and a fully managed cloud service. It is widely used for high-speed analytical queries on large datasets across observability, logging, and business intelligence workloads. |
| Who for | Teams evaluating AI vendors in this category. | Teams evaluating AI vendors in this category. |
| Differentiator | Extend is an LLM-native document processing platform that parses, classifies, and extracts structured data from complex unstructured files—PDFs, scans, handwriting, tables, and images—via APIs built for production AI workflows. It is designed for technical teams and AI agents that need reliable document intelligence at scale. | ClickHouse builds an open-source column-oriented SQL database optimized for real-time OLAP analytics, available as self-managed software and a fully managed cloud service. It is widely used for high-speed analytical queries on large datasets across observability, logging, and business intelligence workloads. |
