compare
Delta Lake vs Lance
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Delta Lake | Lance |
|---|---|---|
| Language | Scala | Rust |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 9k | 7.2k |
| Latest | v4.4.1 | v13.0.0 |
| 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 | 63+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Lance replaces Delta Lake. Alternatives to Delta Lake →
PartialColumnar table format aimed at ML and multimodal data, with versioning and vector indexes.
Both replace Apache Iceberg. Alternatives to Apache Iceberg →
Full replacementDelta LakeOpen table format with ACID transactions and time travel on object storage.
PartialLanceColumnar table format aimed at ML and multimodal data, with fast random access and vector indexes.
Delta Lake
Lance
- v14.0.0-beta.212026-10-19feat(index): distributed execution of optimize indicespre-release
- v14.0.0-beta.202026-10-18fix(io): reject zero multipart upload concurrencypre-release
- v14.0.0-beta.192026-10-16feat(format): define Arrow-ordered zone write seedspre-release
- v14.0.0-beta.182026-10-15fix(index): trace segment coverage across recorded compactionspre-release
- v14.0.0-beta.172026-10-15fix(index): harvest zone map seeds from the serving data filepre-release
Delta Lake
✓ signed The latest release, v4.4.1, carries a signature GitHub verified.
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Lance
unsigned The latest release, v13.0.0, carries no signature GitHub could verify.
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