Comparison
vectordb vs deep-searcher
Verdict
Pick vectordb when vectordb is primarily C++; deep-searcher is Python; pick deep-searcher when deep-searcher is primarily Python; vectordb is C++.
Markdown twin · vectordb alternatives · deep-searcher alternatives
GraphCanon updated today
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Trust & integrity
| Signal | vectordb | deep-searcher |
|---|---|---|
| Maintenance | Slowing (223d since push) As of today · github_public_v1 | Slowing (234d 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 |
| Security (OSV) | No lockfile As of today · none | No lockfile As of today · none |
Tagline
- vectordb
- Epsilla is a high performance Vector Database Management System
- deep-searcher
- Open Source Deep Research Alternative to Reason and Search on Private Data. Written in Python.
Stars
- vectordb
- 875
- deep-searcher
- 7.9k
Forks
- vectordb
- 46
- deep-searcher
- 768
Open issues
- vectordb
- 16
- deep-searcher
- 53
Language
- vectordb
- C++
- deep-searcher
- Python
Adopt for
- vectordb
- -
- deep-searcher
- -
Persona
- vectordb
- -
- deep-searcher
- -
Runtime
- vectordb
- -
- deep-searcher
- -
License
- vectordb
- GPL-3.0
- deep-searcher
- Apache-2.0
Last pushed
- vectordb
- Nov 29, 2025
- deep-searcher
- Nov 19, 2025
Categories
- vectordb
- LLM Frameworks, Data & Retrieval, Vector Databases
- deep-searcher
- LLM Frameworks, Vector Databases, AI Agents
Trust and health
Days since push
- vectordb
- 223d
- deep-searcher
- 234d
Open issues (now)
- vectordb
- 16
- deep-searcher
- 53
Full report
- vectordb
- Trust report
- deep-searcher
- Trust report
Choose vectordb if…
- vectordb is primarily C++; deep-searcher is Python.
- License: vectordb is GPL-3.0, deep-searcher is Apache-2.0.
- Tags unique to vectordb: data-science, embeddings, embeddings-similarity, ai.
- Also covers Data & Retrieval.
When NOT to use vectordb
- Last GitHub push was 224 days ago (slowing maintenance, Nov 29, 2025). Validate activity before betting a new project on vectordb.
- LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.
- Data & Retrieval: Skip a heavy ingestion framework when your corpus is small and static; a script plus the embedding API is enough.
- Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate.
Choose deep-searcher if…
- deep-searcher is primarily Python; vectordb is C++.
- License: deep-searcher is Apache-2.0, vectordb is GPL-3.0.
- Tags unique to deep-searcher: grok, deepseek-r1, deepseek, claude.
- Also covers AI Agents.
- deep-searcher ships Docker support for self-hosted deployment.
- - When you need an open-source alternative for reasoning and searching on private data, avoiding closed systems like Claude or Grok.
When NOT to use deep-searcher
- - If you need a tool that supports web crawling out-of-the-box, as DeepSearcher currently lacks this feature, although it is on their future plans.
- - When your project prioritizes using specific vector databases other than Milvus; while there are future plans to support more, these are not yet implemented.
- - For rapid setup without additional configuration or dependency management; DeepSearcher requires detailed setup and optional dependencies for full functionality.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (epsilla-cloud/vectordb) · observed Jul 11, 2026
- GitHub forks (epsilla-cloud/vectordb) · observed Jul 11, 2026
- Last push (epsilla-cloud/vectordb) · observed Nov 29, 2025
- License file (GPL-3.0) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (zilliztech/deep-searcher) · observed Jul 11, 2026
- GitHub forks (zilliztech/deep-searcher) · observed Jul 11, 2026
- Last push (zilliztech/deep-searcher) · observed Nov 19, 2025
- License file (Apache-2.0) · observed Jul 11, 2026
- Decision facts (enrichment) · observed Jul 10, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: vectordb 875 · deep-searcher 7.9k (synced Jul 11, 2026).
Common questions
- What is the difference between vectordb and deep-searcher?
- vectordb: Epsilla is a high performance Vector Database Management System. deep-searcher: Open Source Deep Research Alternative to Reason and Search on Private Data. Written in Python.. See the comparison table for live GitHub stats and shared categories.
- When should I choose vectordb over deep-searcher?
- Choose vectordb over deep-searcher when vectordb is primarily C++; deep-searcher is Python; License: vectordb is GPL-3.0, deep-searcher is Apache-2.0; Tags unique to vectordb: data-science, embeddings, embeddings-similarity, ai; Also covers Data & Retrieval.
- When should I choose deep-searcher over vectordb?
- Choose deep-searcher over vectordb when deep-searcher is primarily Python; vectordb is C++; License: deep-searcher is Apache-2.0, vectordb is GPL-3.0; Tags unique to deep-searcher: grok, deepseek-r1, deepseek, claude; Also covers AI Agents; deep-searcher ships Docker support for self-hosted deployment; - When you need an open-source alternative for reasoning and searching on private data, avoiding closed systems like Claude or Grok.
- When should I avoid vectordb?
- Last GitHub push was 224 days ago (slowing maintenance, Nov 29, 2025). Validate activity before betting a new project on vectordb. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. Data & Retrieval: Skip a heavy ingestion framework when your corpus is small and static; a script plus the embedding API is enough. Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate.
- When should I avoid deep-searcher?
- - If you need a tool that supports web crawling out-of-the-box, as DeepSearcher currently lacks this feature, although it is on their future plans. - When your project prioritizes using specific vector databases other than Milvus; while there are future plans to support more, these are not yet implemented. - For rapid setup without additional configuration or dependency management; DeepSearcher requires detailed setup and optional dependencies for full functionality.
- Is vectordb or deep-searcher more popular on GitHub?
- deep-searcher has more GitHub stars (7,941 vs 875). Stars measure visibility, not whether either tool fits your constraints.
- Are vectordb and deep-searcher open source?
- Yes - both are open-source projects on GitHub (vectordb: GPL-3.0, deep-searcher: Apache-2.0).
- Where can I find alternatives to vectordb or deep-searcher?
- GraphCanon lists graph-backed alternatives at vectordb alternatives and deep-searcher alternatives (vectordb markdown twin, deep-searcher 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, vectordb or deep-searcher?
- vectordb: Slowing. deep-searcher: Slowing. 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 vectordb and deep-searcher?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: vectordb trust report; deep-searcher trust report.