Comparison
milvus vs vespa
Verdict
Pick milvus if milvus is a high-performance cloud-native vector database, optimized for scalable vector ANN search; pick vespa if vespa: A Java-based, scalable AI search platform for real-time vector and general data retrieval.
Markdown twin · milvus alternatives · vespa alternatives
GraphCanon updated 3d
Trust & integrity
| Signal | milvus | vespa |
|---|---|---|
| Maintenance | Very active (0d since push) As of 3w · github_public_v1 | Very active (0d since push) As of 3d · github_public_v1 |
| Provenance | Not a fork · Organization account As of 3w · github_public_v1 | Not a fork · Organization account As of 3d · github_public_v1 |
| OSV dependency advisories | Published findings 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
- milvus
- High-performance cloud-native vector database
- vespa
- The AI search platform
Stars
- milvus
- 45k
- vespa
- 7.1k
Forks
- milvus
- 4.1k
- vespa
- 732
Open issues
- milvus
- 1.2k
- vespa
- 250
Language
- milvus
- Go
- vespa
- Java
Adopt for
- milvus
- Milvus is a high-performance cloud-native vector database, optimized for scalable vector ANN search.
- vespa
- Vespa: A Java-based, scalable AI search platform for real-time vector and general data retrieval.
Persona
- milvus
- -
- vespa
- -
Runtime
- milvus
- -
- vespa
- -
License
- milvus
- Apache-2.0
- vespa
- Apache-2.0
Last pushed
- milvus
- Jul 28, 2026
- vespa
- Aug 18, 2026
Categories
- milvus
- Vector Databases
- vespa
- Data & Retrieval, Vector Databases
Trust and health
Open issues (now)
- milvus
- 1.2k
- vespa
- 250
Stars delta
- milvus
- Unknown
- vespa
- +34 (30d)
Open issues delta
- milvus
- Unknown
- vespa
- +7 (30d)
OSV dependency advisories
- milvus
- Published findings
- vespa
- No lockfile (source not queried)
Full report
- milvus
- Trust report
- vespa
- Trust report
Typed relationship
milvus alternative vespaBoth Vespa and Milvus are vector search engines used for scalable vector similarity searches, aiming to solve problems related to information retrieval from large datasets.
Choose milvus if…
- milvus is primarily Go; vespa is Java.
- Pricing: Milvus is open-source under Apache-2.0 license..
- Requirements: Min 4 GB RAM.
- Both Vespa and Milvus are vector search engines used for scalable vector similarity searches, aiming to solve problems related to information retrieval from large datasets.
- Tags unique to milvus: anns, cloud-native, diskann, distributed.
- milvus ships Docker support for self-hosted deployment.
- Use Milvus when you need to perform efficient vector similarity searches specifically leveraging the Approximate Nearest Neighbor (ANN) algorithm.
When NOT to use milvus
- Avoid Milvus when you need immediate native compatibility with FAISS or similar standalone libraries as it has distinct features tailored to its own ecosystem.
- Do not use Milvus if your application strictly requires real-time indexing updates and low-latency search operations, since optimizing for ANN search may introduce trade-offs in these areas.
Choose vespa if…
- vespa is primarily Java; milvus is Go.
- Both Vespa and Milvus are vector search engines used for scalable vector similarity searches, aiming to solve problems related to information retrieval from large datasets.
- Tags unique to vespa: ai, big-data, java, machine-learning.
- Also covers Data & Retrieval.
- Real-time indexing is critical
When NOT to use vespa
- Prefer solutions with lower setup complexity
- Team lacks Java expertise or prefers alternative languages
- Require no real-time capabilities and can rely on batch processing
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (milvus-io/milvus) · observed Jul 28, 2026
- GitHub forks (milvus-io/milvus) · observed Jul 28, 2026
- Last push (milvus-io/milvus) · observed Jul 28, 2026
- License file (Apache-2.0) · observed Jul 28, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (vespa-engine/vespa) · observed Aug 18, 2026
- GitHub forks (vespa-engine/vespa) · observed Aug 18, 2026
- Last push (vespa-engine/vespa) · observed Aug 18, 2026
- License file (Apache-2.0) · observed Aug 18, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: milvus 45k · vespa 7.1k (synced Jul 28, 2026).
Common questions
- What is the difference between milvus and vespa?
- milvus: High-performance cloud-native vector database. vespa: The AI search platform. See the comparison table for live GitHub stats and shared categories.
- When should I choose milvus over vespa?
- Choose milvus over vespa when milvus is primarily Go; vespa is Java; Pricing: Milvus is open-source under Apache-2.0 license.; Requirements: Min 4 GB RAM; Both Vespa and Milvus are vector search engines used for scalable vector similarity searches, aiming to solve problems related to information retrieval from large datasets; Tags unique to milvus: anns, cloud-native, diskann, distributed; milvus ships Docker support for self-hosted deployment; Use Milvus when you need to perform efficient vector similarity searches specifically leveraging the Approximate Nearest Neighbor (ANN) algorithm.
- When should I choose vespa over milvus?
- Choose vespa over milvus when vespa is primarily Java; milvus is Go; Both Vespa and Milvus are vector search engines used for scalable vector similarity searches, aiming to solve problems related to information retrieval from large datasets; Tags unique to vespa: ai, big-data, java, machine-learning; Also covers Data & Retrieval; Real-time indexing is critical.
- When should I avoid milvus?
- Avoid Milvus when you need immediate native compatibility with FAISS or similar standalone libraries as it has distinct features tailored to its own ecosystem. Do not use Milvus if your application strictly requires real-time indexing updates and low-latency search operations, since optimizing for ANN search may introduce trade-offs in these areas.
- When should I avoid vespa?
- Prefer solutions with lower setup complexity Team lacks Java expertise or prefers alternative languages Require no real-time capabilities and can rely on batch processing
- Is milvus or vespa more popular on GitHub?
- milvus has more GitHub stars (45,402 vs 7,054). Stars measure visibility, not whether either tool fits your constraints.
- Are milvus and vespa open source?
- Yes - both are open-source projects on GitHub (milvus: Apache-2.0, vespa: Apache-2.0).
- Where can I find alternatives to milvus or vespa?
- GraphCanon lists graph-backed alternatives at milvus alternatives and vespa alternatives (milvus markdown twin, vespa 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, milvus or vespa?
- milvus: Very active. vespa: Very active. 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 milvus and vespa?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: milvus trust report; vespa trust report.