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Free Teradata alternatives: 3 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

3 of the 8 Teradata alternatives we track can be used for free (free, open source, or with a free plan). Google BigQuery, ClickHouse and Exasol rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1Google BigQuery logoGoogle BigQueryFree plan + paid$6.25 per TiB scanned (on-demand)NoWeb4 of 476.8
2ClickHouse logoClickHouseOpen source30 days with $300 creditsNoWeb, Linux, macOS +15 of 572.5
3Exasol logoExasolFree plan + paid—NoSelf-hosted5 of 542.3
  1. Google BigQuery logo

    1. Google BigQueryTop pick

    Best for: Teams on Google Cloud or GA4 who want a warehouse with no servers to manage

    Free plan + paidWeb

    76.8

    score / 100

    Why switch from Teradata

    Serverless warehouse with no clusters to size, for teams on Google Cloud.

    Pros

    • Fully serverless, with nothing to size or keep running
    • Monthly free query and storage allowance for small projects
    • Native exports from Google Analytics 4 and other Google products
    • Machine learning models can be trained in plain SQL

    Cons

    • Tied to Google Cloud; there is no self-hosted version
    • On-demand billing by data scanned can surprise teams that query wide tables
    • Less control over performance tuning than with your own cluster
    Visit Google BigQuery Compare with TeradataDetails and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.15100
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Google BigQuery a good Teradata alternative?

    Verified facts

    4 of 4 verified
    Serverless
    Yes
    Checked Nov 8, 2026cloud.google.com(opens source in a new tab)
    Free query allowance
    First 1 TiB per month
    Checked Nov 8, 2026cloud.google.com(opens source in a new tab)
    Starting price
    $6.25 per TiB scanned (on-demand)
    Checked Nov 8, 2026cloud.google.com(opens source in a new tab)
    Free storage
    First 10 GiB per month
    Checked Nov 8, 2026cloud.google.com(opens source in a new tab)
  2. ClickHouse logo

    2. ClickHouse

    Best for: Engineering teams building real-time dashboards, observability or analytics over billions of rows

    Open sourceWeb, Linux, macOS, Self-hosted

    72.5

    score / 100

    Why switch from Teradata

    Open-source columnar database you can self-host for fast analytical queries.

    Pros

    • Very fast aggregations over large tables, suited to live dashboards
    • Apache 2.0 open source, so it can be self-hosted at no licence cost
    • Strong compression keeps storage costs down
    • Managed cloud option on AWS, Google Cloud and Azure

    Cons

    • Schema and table-engine choices need care to get good performance
    • Updates, deletes and large joins are weaker than in general-purpose warehouses
    • Self-hosting a cluster takes real operational work
    Visit ClickHouse Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.15100
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is ClickHouse a good Teradata alternative?

    Verified facts

    5 of 5 verified
    License
    Apache-2.0
    Checked Oct 29, 2026github.com(opens source in a new tab)
    Open source
    Yes
    Checked Nov 8, 2026clickhouse.com(opens source in a new tab)
    Free trial
    30 days with $300 credits
    Checked Nov 8, 2026clickhouse.com(opens source in a new tab)
    Pricing model
    Compute and storage metered separately
    Checked Nov 8, 2026clickhouse.com(opens source in a new tab)
    Cloud providers
    AWS, Google Cloud, Azure
    Checked Nov 8, 2026clickhouse.com(opens source in a new tab)
  3. Exasol logo

    3. Exasol

    Best for: Enterprises needing fast BI queries with on-premises or sovereign cloud deployment

    Free plan + paidSelf-hosted

    42.3

    score / 100

    Why switch from Teradata

    In-memory MPP analytics database with on-premises and sovereign cloud deployment.

    Pros

    • In-memory MPP engine built for fast analytical queries
    • Deploys on-premises, on Kubernetes or in major clouds
    • Python, R and Java UDFs run inside the database
    • Free Exasol Personal edition with no data size limit

    Cons

    • Enterprise pricing isn't published
    • Free edition only runs in your own AWS account
    • Smaller community and tooling ecosystem than Snowflake or ClickHouse
    Visit Exasol Details and reviews
    How this score is calculated
    Editorial fit ×0.312
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Exasol a good Teradata alternative?

    Verified facts

    5 of 5 verified
    Free edition
    Exasol Personal
    Checked Nov 8, 2026exasol.com(opens source in a new tab)
    Free edition hosting
    Your own AWS account
    Checked Nov 8, 2026exasol.com(opens source in a new tab)
    Architecture
    In-memory MPP
    Checked Nov 8, 2026exasol.com(opens source in a new tab)
    Deployment
    AWS, Azure, GCP, Kubernetes, on-prem
    Checked Nov 8, 2026exasol.com(opens source in a new tab)
    In-database ML
    Python, R and Java
    Checked Nov 8, 2026exasol.com(opens source in a new tab)