vioscaleAI
Comparison

Apache Iceberg vs Delta Lake

No clear leader: Delta Lake (61.0) and Apache Iceberg (59.5) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Apache Iceberg full profile →Delta Lake full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Apache Iceberg60
Delta Lake61
Score
vioscaleAI score
Apache Iceberg60 / 100medium · 56%
Delta Lake61 / 100medium · 58%
Pricing
Free tier
Apache Iceberg–
Delta Lake✓
Model
Apache Icebergopen_source
Delta Lakeopen_source
Price level
Apache Icebergfree
Delta Lakefree
Integrations
Count
Apache Iceberg20
Delta Lake15
Security
Disclosure policy
Apache Iceberg✓
Delta Lake–
Scorecard
Apache Iceberg7.9
Delta Lake6.2
Vulnerabilities
Reliability
Status page
Apache Iceberg✓
Delta Lake–
Adoption
Dependent repos
Apache Iceberg1
Delta Lake152
Github stars
Apache Iceberg9,326
Delta Lake9,042
Package downloads weekly
Apache Iceberg6,665,583
Delta Lake6,751,062
Activity
Commits last 30d
Apache Iceberg100
Delta Lake100
Release
Cadence days
Apache Iceberg50
Delta Lake50
History
Apache Iceberg20 items
Delta Lake20 items
License
Spdx
Apache IcebergApache-2.0
Delta LakeApache-2.0
Language
Primary
Apache IcebergJava
Delta LakeScala
Market
Availability
Apache Iceberg–
Delta LakeAvailable worldwide
Content
Faq
Apache Iceberg5 items
Delta Lake5 items

Capabilities

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

Deployment
Deployment
Apache IcebergEmbedded
Delta LakeSelf-hosted
Architecture
Architecture
Apache Iceberg-
Delta LakeSeparated storage/compute
Compute model
Apache Iceberg-
Delta Lake-
Query
SQL dialect
Apache Iceberg-
Delta Lake-
Federation / lakehouse query-in-place
Apache Iceberg✓
Delta Lake✓
Interoperability
Table-format support
Apache IcebergIceberg (Parquet, ORC, Avro, Puffin data files)
Delta LakeDelta, Iceberg, Hudi
Scale
Concurrency scaling
Apache IcebergAutomatic
Delta Lake-
Ingestion
Streaming ingest
Apache Iceberg✓
Delta Lake✓
Data model
Semi-structured (JSON/VARIANT)
Apache IcebergFirst-class
Delta LakeFirst-class
Analytics
ML / in-DB functions
Apache Iceberg-
Delta Lake-
Sharing
Data sharing / marketplace
Apache Iceberg✓
Delta Lake✓
Licensing
Licence class
Apache IcebergPermissive OSS
Delta LakePermissive OSS

What each one is

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

Apache Iceberg

A table format that brings SQL capabilities to large-scale analytical datasets and enables multiple computing engines to safely and concurrently query and modify the same tables.

Independently observed

Delta Lake

A storage framework enabling lakehouse architectures—unified platforms combining data warehouse and data lake capabilities—that works with multiple query engines and can be deployed on any cloud, on-premises, or locally.

Independently observed

Pricing

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

Apache Iceberg

Open source

Open source, no licensing cost

as of verify ↗

Delta Lake

Open sourceFree tier
as of verify ↗

Platform & deployment

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

Platforms
macOS
Apache Iceberg✓
Delta Lake–
Windows
Apache Iceberg✓
Delta Lake–
Linux
Apache Iceberg✓
Delta Lake–
CLI
Apache Iceberg✓
Delta Lake–
Deployment
Self-hosted
Apache Iceberg✓
Delta Lake✓

Integrations

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

In common (1)
  • Trino

Apache Iceberg

23 total - 22 not shared
  • Spark
  • Presto
  • Flink
  • Hive
  • Impala
  • PyArrow
  • DuckDB
  • Polars
  • Pandas
  • Ray
  • Datafusion
  • BigQuery
  • SQLAlchemy
  • S3
  • GCS
  • Azure Data Lake Storage
  • Hadoop
  • Kerberos
  • Thrift
  • Avro
  • Parquet
  • ORC
Independently observed

Delta Lake

35 total - 34 not shared
  • Apache Spark
  • Apache Flink
  • Apache Hive
  • Apache Pulsar
  • Apache Druid
  • ClickHouse
  • PrestoDB
  • StarRocks
  • RisingWave
  • Dagster
  • Hopsworks
  • MLflow
  • Kafka
  • AWS Athena
  • AWS EMR
  • AWS Glue
  • Azure Stream Analytics
  • Google BigQuery
  • Snowflake
  • Databricks
  • AWS Redshift
  • Microsoft Fabric
  • Power BI
  • Starburst
  • +10 more
Independently observed
Still deciding?

Apache Iceberg or Delta Lake: 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.