vioscaleAI
Comparison

Census vs dlt

On the evidence we track, Census leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Census full profile →dlt full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Census80
dlt65
Score
vioscaleAI score
Census80 / 100medium · 74%
dlt65 / 100low · 46%
Pricing
Free tier
Census✓
dlt✓
Model
Price level
Censuslow
dlthigh
Starting price
Census–
dlt$12,000
Transparent
Census✓
dlt✓
Integrations
Count
Census900
dlt5,000
Security
Disclosure policy
Census–
dlt✓
Gdpr
Census✓
dlt✓
Hipaa
Census✓
dlt–
Iso27001
Census✓
dlt–
Pci
Census✓
dlt–
Soc2
Census✓
dlt–
Vulnerabilities
Reliability
Status page
Census✓
dlt✓
Adoption
Dependent repos
Census–
dlt23
Github stars
Census–
dlt5,969
Activity
Commits last 30d
Census–
dlt36
Release
Cadence days
Census–
dlt12
History
Census–
dlt20 items
License
Spdx
Census–
dltApache-2.0
Language
Primary
Census–
dltPython
Market
Availability
Content
Faq

Capabilities

Feature-by-feature on the axes that matter for data engineering tools. “-” means undocumented, not absent.

Core
Tool role
CensusELT / ingestion
dltELT / ingestion
Processing paradigm
CensusBatch + streaming
dltBatch + streaming
Connectivity
Connector count
Census900+ sources and destinations
dlt5,000+
CDC / log-based replication
Census✓
dlt✓
Transformation
In-warehouse transformation (push-down)
Census✓
dlt✓
dbt-native orchestration
Census✓
dlt✓
Deployment
Self-hosted / open-source available
Census✗
dlt✓
Managed cloud available
Census✓
dlt✓
Governance
Data lineage / asset catalog
Census✗
dlt✓
Authoring
Python-first authoring
Census✗
dlt✓
Execution
Incremental / partition-aware runs
Census✓
dlt✓
Quality
Built-in data quality / tests
Census✗
dlt✓
Scale
Horizontal scale (distributed executor)
Census✓
dlt-

What each one is

The product in its own terms, so the numbers below have context.

Census

Leader

Fivetran ingests data from SaaS applications, databases, and ERPs into data warehouses and lakes, applies SQL-based transformations on schedule, and activates the data for analytics and business operations.

Independently observed

dlt

A managed platform that enables teams to build, deploy, and monitor data pipelines with AI assistance, built on the open-source dlt library. It provides runtime management, observability, data quality monitoring, and team collaboration features for moving data from any source to any destination.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Census

Leader
Usage-basedFree tier14-day trial

Usage-based (pay per monthly active record). Free tier: 5,000 model runs monthly on all plans. 14-day trial per new connection. Annual contracts: automatic discounts from 5%+.

  • Starter-
  • Standard-
  • Enterprise-
  • Business Critical-
as of verify ↗

dlt

from $12000/moHybridFree tier14-day trial

Free open-source tier. Hub plan from $12,000/month with 5,000 included credits. Tiered overage pricing. 14-day free trial.

  • dltFree
    • Open source ingestion library
    • Reliable ingestion and loading
    • Limited verified OSS connectors
    • AI help and community support
  • Hub$12,000/month with 5,000 credits included. Tiered overage pricing: $1.00–$0.80 per credit depending on volume.
    • Everything in dlt
    • AI Harness (Claude Code, Codex, Cursor)
    • Managed runtime for ingestion
    • Transformations & Data apps
    • Data quality metrics & checks
    • +18 more
  • EnterpriseContact sales
    • Custom credits and volume pricing
    • Enterprise security and governance controls
    • Role-based access control (RBAC) and audit logs
    • SLA and tailored support options
    • Custom onboarding and architecture guidance
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Census✓
dlt✓
CLI
Census✗
dlt✓
Deployment
Cloud / SaaS
Census✓
dlt✓
Self-hosted
Census✗
dlt✓
Hybrid
Census✗
dlt✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (6)
  • Snowflake
  • Salesforce
  • Databricks
  • HubSpot
  • Postgres
  • MySQL

Census

Leader
16 total - 10 not shared
  • Google BigQuery
  • AWS Redshift
  • Azure Synapse
  • Marketo
  • Zendesk
  • Braze
  • Facebook Ads
  • Google Ads
  • dbt Core
  • SAP
Independently observed

dlt

46 total - 40 not shared
  • PostgreSQL
  • BigQuery
  • MotherDuck
  • DuckDB
  • SQLite
  • Amazon S3
  • Google Cloud Storage
  • Microsoft Azure
  • SFTP
  • Parquet
  • Apache Delta
  • Apache Iceberg
  • DuckLake
  • Pydantic Logfire
  • Arize
  • Langfuse
  • LangChain
  • OpenAI
  • Apache Airflow
  • Dagster
  • AWS Lambda
  • Marimo
  • Hugging Face
  • Redshift
  • +16 more
Independently observed
Still deciding?

Census or dlt: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.