compare
Delta Lake vs Apache Paimon
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Delta Lake | Apache Paimon |
|---|---|---|
| Language | Scala | Java |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 9k | 3.4k |
| Latest | v4.4.1 | release-2.1.0 |
| Last push | 2026-10-18 | 2026-10-19 |
| Release cadence | about 28 days between releases | too few releases |
| Active contributors | 82 commit authors on the default branch in the last 90 days | 55+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Apache Hudi. Alternatives to Apache Hudi →
Full replacementDelta LakeOpen table format with ACID transactions and time travel on object storage.
PartialApache PaimonLake table format built for streaming writes with Flink and Spark, with changelog production.
Both replace Apache Iceberg. Alternatives to Apache Iceberg →
Full replacementDelta LakeOpen table format with ACID transactions and time travel on object storage.
PartialApache PaimonLake table format built for streaming writes with Flink and Spark, with changelog production.
Delta Lake
Apache Paimon
- release-2.1.02026-10-12Apache Paimon 2.1.0 source, signature and checksum
- release-2.0.02026-08-07Apache Paimon 2.0.0
Delta Lake
✓ signed The latest release, v4.4.1, carries a signature GitHub verified.
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Apache Paimon
✓ signed The latest release, release-2.1.0, carries a signature GitHub verified.
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