Comparison
kronotop vs lantern
Verdict
Pick kronotop if kronotop is a distributed transactional document database that utilizes FoundationDB for ACID transactions and provides vector search; pick lantern if lantern is an extension for PostgreSQL written in Rust, providing capabilities for approximate nearest neighbor search tailored for AI applications.
Markdown twin · kronotop alternatives · lantern alternatives
GraphCanon updated today
vs
Trust & integrity
| Signal | kronotop | lantern |
|---|---|---|
| Maintenance | Very active (1d since push) As of today · github_public_v1 | Dormant (618d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Organization account As of today · github_public_v1 | Not a fork · Organization account As of today · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- kronotop
- Distributed transactional document database backed by FoundationDB
- lantern
- PostgreSQL vector database extension for building AI applications
Stars
- kronotop
- 305
- lantern
- 889
Forks
- kronotop
- 11
- lantern
- 67
Open issues
- kronotop
- 3
- lantern
- 42
Language
- kronotop
- Java
- lantern
- Rust
Adopt for
- kronotop
- Kronotop is a distributed transactional document database that utilizes FoundationDB for ACID transactions and provides vector search.
- lantern
- Lantern is an extension for PostgreSQL written in Rust, providing capabilities for approximate nearest neighbor search tailored for AI applications.
Persona
- kronotop
- -
- lantern
- -
Runtime
- kronotop
- -
- lantern
- -
License
- kronotop
- Apache-2.0
- lantern
- AGPL-3.0, allowing free use and modification but requiring derivative works to be open-sourced as well.
Last pushed
- kronotop
- Aug 21, 2026
- lantern
- Dec 12, 2024
Categories
- kronotop
- Vector Databases
- lantern
- Vector Databases
Trust and health
Maintenance
- kronotop
- Very active (96%)
- lantern
- Dormant (18%)
Days since push
- kronotop
- 1d
- lantern
- 618d
Open issues (now)
- kronotop
- 3
- lantern
- 42
Stars delta
- kronotop
- +3 (30d)
- lantern
- 0 (30d)
Open issues delta
- kronotop
- +1 (30d)
- lantern
- 0 (30d)
Full report
- kronotop
- Trust report
- lantern
- Trust report
Choose kronotop if…
- kronotop is primarily Java; lantern is Rust.
- License: kronotop is Apache-2.0, lantern is AGPL-3.0.
- Tags unique to kronotop: acid, ai-agents, ai-memory, database.
- When needing a multi-model database with support for JSON documents and key-value storage alongside transactional capabilities.
When NOT to use kronotop
- If the project does not require vector search capabilities or ACID transactions, as these features may introduce unnecessary overhead.
- When a simpler database model without the complexity of setting up and operating on top of FoundationDB would suffice for the application needs.
Choose lantern if…
- lantern is primarily Rust; kronotop is Java.
- License: lantern is AGPL-3.0, kronotop is Apache-2.0.
- Tags unique to lantern: ai, ann, approximate-nearest-neighbor-search, data-science.
- When you need to perform vector database operations integrated with a PostgreSQL environment
When NOT to use lantern
- Avoid when an open-source license like AGPL-3.0 might interfere with proprietary or closed-source projects
- Not suitable if you require direct support for non-vector indexing operations outside ANN capabilities
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (kronotop/kronotop) · observed Aug 23, 2026
- GitHub forks (kronotop/kronotop) · observed Aug 23, 2026
- Last push (kronotop/kronotop) · observed Aug 21, 2026
- License file (Apache-2.0) · observed Aug 23, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (lanterndata/lantern) · observed Aug 22, 2026
- GitHub forks (lanterndata/lantern) · observed Aug 22, 2026
- Last push (lanterndata/lantern) · observed Dec 12, 2024
- License file (AGPL-3.0) · observed Aug 22, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: kronotop 305 · lantern 889 (synced Aug 23, 2026).
Common questions
- What is the difference between kronotop and lantern?
- kronotop: Distributed transactional document database backed by FoundationDB. lantern: PostgreSQL vector database extension for building AI applications. See the comparison table for live GitHub stats and shared categories.
- When should I choose kronotop over lantern?
- Choose kronotop over lantern when kronotop is primarily Java; lantern is Rust; License: kronotop is Apache-2.0, lantern is AGPL-3.0; Tags unique to kronotop: acid, ai-agents, ai-memory, database; When needing a multi-model database with support for JSON documents and key-value storage alongside transactional capabilities.
- When should I choose lantern over kronotop?
- Choose lantern over kronotop when lantern is primarily Rust; kronotop is Java; License: lantern is AGPL-3.0, kronotop is Apache-2.0; Tags unique to lantern: ai, ann, approximate-nearest-neighbor-search, data-science; When you need to perform vector database operations integrated with a PostgreSQL environment.
- When should I avoid kronotop?
- If the project does not require vector search capabilities or ACID transactions, as these features may introduce unnecessary overhead. When a simpler database model without the complexity of setting up and operating on top of FoundationDB would suffice for the application needs.
- When should I avoid lantern?
- Avoid when an open-source license like AGPL-3.0 might interfere with proprietary or closed-source projects Not suitable if you require direct support for non-vector indexing operations outside ANN capabilities
- Is kronotop or lantern more popular on GitHub?
- lantern has more GitHub stars (889 vs 305). Stars measure visibility, not whether either tool fits your constraints.
- Are kronotop and lantern open source?
- Yes - both are open-source projects on GitHub (kronotop: Apache-2.0, lantern: AGPL-3.0).
- Where can I find alternatives to kronotop or lantern?
- GraphCanon lists graph-backed alternatives at kronotop alternatives and lantern alternatives (kronotop markdown twin, lantern markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, kronotop or lantern?
- kronotop: Very active. lantern: Dormant. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for kronotop and lantern?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: kronotop trust report; lantern trust report.