$ datachonk _

Your data warehouse's best friend

DataChonk is an AI-powered analytics engineering expert. It generates production-ready dbt models, proper tests, and comprehensive documentation — like having a senior AE on your team.

10k+Models Generated
50k+Tests Written
4hrsAvg. Time Saved
models/marts/core/dim_customers.sql
1-- Generated by DataChonk
2with customers as (
3select * from {{ ref('stg_stripe__customers') }}
4)
5
6select
7{{ dbt_utils.generate_surrogate_key(
8['customer_id']
9) }} as customer_key,
10customer_id,
11email,
12created_at
13from customers
dbt CoreSnowflake

// FEATURES

Everything you need to build great dbt projects

Stop wrestling with boilerplate. DataChonk combines AI expertise with dbt best practices to accelerate your analytics engineering workflow.

src
stg
dim
fct
met

Chonk-First Architecture

Modular building blocks for your data warehouse. Source, Staging, Entity, Fact, Metric, Docs — each piece is reviewable and self-documenting.

Expert dbt Brain

An AI that actually understands dbt — from basic refs to advanced incremental strategies, semantic layer, and warehouse-specific optimizations.

select *
from {{ ref() }}
where is_active

Production-Ready Output

Generate complete dbt projects with proper structure, naming conventions, tests, and documentation that looks like a senior AE wrote it.

dbt_utils
dbt_expectations
elementary

Package Intelligence

Smart recommendations for dbt_utils, dbt_expectations, elementary, and more. Know exactly why and where each macro is used.

Living Documentation

Auto-generated docs blocks, column descriptions, exposures, and governance notes. Your documentation stays in sync with your code.

Always Up to Date

Knowledge sync keeps DataChonk current with the latest dbt releases, best practices, and documentation changes.

// THE CHONK SYSTEM

Modular building blocks for your data warehouse

Each chonk is a distinct, reviewable unit of analytics engineering work. Think of them as Lego bricks for your dbt project.

Source Chonk

Define your raw data sources with freshness checks

What's Included

  • Source definitions with database/schema
  • Freshness configuration
  • Column-level documentation
  • Primary key tests

Output Path

sources/<source_name>.yml
sources/<source_name>.yml
1version: 2
2
3sources:
4 - name: stripe
5 database: raw
6 schema: stripe_prod
7 freshness:
8 warn_after: {count: 12, period: hour}
9 tables:
10 - name: customers
11 columns:
12 - name: customer_id
13 tests: [unique, not_null]

// EXPERT-LEVEL OUTPUT

Code that looks like it was written by a senior AE

DataChonk generates production-ready dbt code with proper incremental strategies, surrogate keys, and warehouse-specific optimizations. Every model includes comprehensive tests and documentation.

Incremental Models

Proper incremental strategies with merge, delete+insert, and append patterns

Testing Patterns

Built-in tests, custom schema tests, and dbt_expectations integration

Semantic Layer

MetricFlow semantic models, measures, and dimensions for consistent metrics

Macros & Packages

dbt_utils, dbt_expectations, elementary, and custom macro development

Supported Warehouses

SnowflakeBigQueryRedshiftDatabricks
1{{
2 config(
3 materialized='incremental',
4 unique_key='order_key',
5 incremental_strategy='merge',
6 on_schema_change='append_new_columns'
7 )
8}}
9
10with source as (
11 select * from {{ ref('stg_shopify__orders') }}
12 {% if is_incremental() %}
13 where updated_at > (
14 select coalesce(max(_loaded_at), '1900-01-01')
15 from {{ this }}
16 )
17 {% endif %}
18),
19
20transformed as (
21 select
22 {{ dbt_utils.generate_surrogate_key(['order_id']) }} as order_key,
23 order_id,
24 customer_id,
25 total_amount_cents / 100.0 as total_amount,
26 order_status,
27 updated_at as _loaded_at
28 from source
29)
30
31select * from transformed
DataChonk v1.0AI Generated
Free to start
No credit card

Ready to build better dbt projects?

Start generating production-ready analytics code with expert-level documentation and testing. Your data warehouse will thank you.

$npx datachonk init my-warehouse_
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