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Firebolt vs Microsoft Fabric Notebooks

Both stand on cloud analytics solutions. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Firebolt

Free plan APILinuxSelf-hosted+1

Firebolt offers both self-managed and managed deployment paths, plus a free self-hosted plan and a managed service with usage-based compute billing. Check the deployment restrictions and listed integration limits before choosing a setup.

Visit Firebolt

Microsoft Fabric Notebooks

Free plan APIWeb

Data engineers and data scientists should consider Fabric Notebooks for interactive Spark and machine learning work with lakehouse integration, collaboration, and scheduling tools. Look elsewhere if the 60-day trial capacity or the stated storage and file limits are too restrictive for the intended work.

Visit Microsoft Fabric Notebooks

The facts

FireboltMicrosoft Fabric Notebooks
Free planYesYes
Open sourceNot publishedNot published
Runs onAPI, Linux, Self-hosted, WebAPI, Web
Lowest paid planFree or on requestFree or on request
Plans published12
MakerNot publishedNot published
Websitefirebolt.iolearn.microsoft.com
On cloud analytics solutions#4 of 29#8 of 29

Firebolt: what it does well

  • Postgres-compatible SQL
  • Free self-hosted plan has no usage limits
  • Supports Apache Iceberg and DuckLake
  • Managed compute bills per second

What to know first

  • Free Core plan excludes competing hosted SaaS products
  • Managed service is currently AWS-only
  • Airflow 3.x is not supported
  • Delta Lake is not natively supported

Microsoft Fabric Notebooks: what it does well

  • Works with Jupyter notebooks and .py, .scala, and .sql files.
  • Analyzes CSV, TXT, JSON, Parquet, and Delta Lake data.
  • Supports multiple attached lakehouses and a default lakehouse.
  • Offers co-editing, cursor visibility, run output, and cell comments.
  • Copilot can suggest code changes and fixes with approval.

What to know first

  • The free trial lasts 60 days and provides fixed 64 CU capacity per user.
  • Built-in and environment resource storage are each limited to 500 MB.
  • Individual files are limited to 100 MB.
  • Some downstream services require a user principal for service-principal automation.

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