Comparison
oasysdb vs lantern
Verdict
Pick oasysdb if in-memory vector store for semantic caching with Rust implementation; 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 · oasysdb alternatives · lantern alternatives
GraphCanon updated Sep 20, 2026
7views this month
Trust & integrity
| Signal | oasysdb | lantern |
|---|---|---|
| Maintenance | Dormant (659d since push) As of Sep 20, 2026 · github_public_v1 | Dormant (646d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Personal account As of Sep 20, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 20, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Jul 11, 2026 · osv@v1 | No lockfile (source not queried) As of Jul 11, 2026 · 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
- oasysdb
- In-memory vector store with efficient read and write performance for semantic caching
- lantern
- PostgreSQL vector database extension for building AI applications
Stars
- oasysdb
- 376
- lantern
- 893
Forks
- oasysdb
- 13
- lantern
- 67
Open issues
- oasysdb
- 0
- lantern
- 43
Language
- oasysdb
- Rust
- lantern
- Rust
Adopt for
- oasysdb
- In-memory vector store for semantic caching with Rust implementation.
- lantern
- Lantern is an extension for PostgreSQL written in Rust, providing capabilities for approximate nearest neighbor search tailored for AI applications.
Persona
- oasysdb
- -
- lantern
- -
Runtime
- oasysdb
- -
- lantern
- -
License
- oasysdb
- Apache-2.0
- lantern
- AGPL-3.0, allowing free use and modification but requiring derivative works to be open-sourced as well.
Last pushed
- oasysdb
- Nov 29, 2024
- lantern
- Dec 12, 2024
Categories
- oasysdb
- Data & Retrieval, Vector Databases
- lantern
- Vector Databases
Trust and health
Days since push
- oasysdb
- 659d
- lantern
- 646d
Open issues (now)
- oasysdb
- 0
- lantern
- 43
Stars delta
- oasysdb
- +1 (30d)
- lantern
- +4 (30d)
Open issues delta
- oasysdb
- 0 (30d)
- lantern
- +1 (30d)
Owner type
- oasysdb
- User
- lantern
- Organization
Full report
- oasysdb
- Trust report
- lantern
- Trust report
Choose oasysdb if…
- License: oasysdb is Apache-2.0, lantern is AGPL-3.0.
- Tags unique to oasysdb: approximate-nearest-neighbors, ivfpq, mysql, postgresql.
- Also covers Data & Retrieval.
- When you need high-performance read/write operations in a semantic caching scenario using Rust.
When NOT to use oasysdb
- If your project strictly requires on-disk persistence over in-memory storage.
- When looking for non-Rust technology stack as the primary implementation language.
Choose lantern if…
- License: lantern is AGPL-3.0, oasysdb 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 (edwinkys/oasysdb) · observed Sep 20, 2026
- GitHub forks (edwinkys/oasysdb) · observed Sep 20, 2026
- Last push (edwinkys/oasysdb) · observed Nov 29, 2024
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (lanterndata/lantern) · observed Sep 20, 2026
- GitHub forks (lanterndata/lantern) · observed Sep 20, 2026
- Last push (lanterndata/lantern) · observed Dec 12, 2024
- License file (AGPL-3.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: oasysdb 376 · lantern 893 (synced Sep 20, 2026).
Common questions
- What is the difference between oasysdb and lantern?
- oasysdb: In-memory vector store with efficient read and write performance for semantic caching. lantern: PostgreSQL vector database extension for building AI applications. See the comparison table for live GitHub stats and shared categories.
- When should I choose oasysdb over lantern?
- Choose oasysdb over lantern when License: oasysdb is Apache-2.0, lantern is AGPL-3.0; Tags unique to oasysdb: approximate-nearest-neighbors, ivfpq, mysql, postgresql; Also covers Data & Retrieval; When you need high-performance read/write operations in a semantic caching scenario using Rust.
- When should I choose lantern over oasysdb?
- Choose lantern over oasysdb when License: lantern is AGPL-3.0, oasysdb 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 oasysdb?
- If your project strictly requires on-disk persistence over in-memory storage. When looking for non-Rust technology stack as the primary implementation language.
- 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 oasysdb or lantern more popular on GitHub?
- lantern has more GitHub stars (893 vs 376). Stars measure visibility, not whether either tool fits your constraints.
- Are oasysdb and lantern open source?
- Yes - both are open-source projects on GitHub (oasysdb: Apache-2.0, lantern: AGPL-3.0).
- Where can I find alternatives to oasysdb or lantern?
- GraphCanon lists graph-backed alternatives at oasysdb alternatives and lantern alternatives (oasysdb 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, oasysdb or lantern?
- oasysdb: Dormant. 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 oasysdb and lantern?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: oasysdb trust report; lantern trust report.