--- title: "marqo vs vespa" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/marqo-ai-marqo-vs-vespa-engine-vespa" tools: ["marqo-ai-marqo", "vespa-engine-vespa"] --- # marqo vs vespa *GraphCanon updated Sep 20, 2026* ## Verdict Pick marqo if marqo is an AI-native ecommerce search platform that uses semantic search and personalization technology to deliver relevant and personalized search results and product recommendations; pick vespa if vespa: A Java-based, scalable AI search platform for real-time vector and general data retrieval. [marqo](https://www.marqo.ai/) reports 5.0k GitHub stars, 243 forks, and 196 open issues, last pushed Sep 3, 2026. [vespa](https://vespa.ai) has 7.1k stars, 732 forks, and 250 open issues, last pushed Aug 18, 2026. Figures are from public GitHub metadata via [marqo's repository](https://github.com/marqo-ai/marqo) and [vespa's repository](https://github.com/vespa-engine/vespa). | | [marqo](/tools/marqo-ai-marqo.md) | [vespa](/tools/vespa-engine-vespa.md) | | --- | --- | --- | | Tagline | Ecommerce Search and Discovery | The AI search platform | | Stars | 5,031 | 7,054 | | Forks | 243 | 732 | | Open issues | 196 | 250 | | Language | Python | Java | | Adopt for | Marqo is an AI-native ecommerce search platform that uses semantic search and personalization technology to deliver relevant and personalized search results and product recommendations. | Vespa: A Java-based, scalable AI search platform for real-time vector and general data retrieval. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | Apache-2.0 | | Categories | Data & Retrieval | Data & Retrieval, Vector Databases | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [marqo](/tools/marqo-ai-marqo.md) | [vespa](/tools/vespa-engine-vespa.md) | | --- | --- | --- | | Maintenance | Active (82%) | Very active (96%) | | Days since push | 15d | 0d | | Open issues (now) | 196 | 250 | | Stars delta | +14 (30d) | +34 (30d) | | Full report | [trust report](/tools/marqo-ai-marqo/trust.md) | [trust report](/tools/vespa-engine-vespa/trust.md) | ## Decision facts: marqo - **Adopt for:** Marqo is an AI-native ecommerce search platform that uses semantic search and personalization technology to deliver relevant and personalized search results and product recommendations. ## Decision facts: vespa - **Adopt for:** Vespa: A Java-based, scalable AI search platform for real-time vector and general data retrieval. ## Choose when ### Choose marqo if… - marqo is primarily Python; vespa is Java. - Tags unique to marqo: ecommerce, multi-modal. - When you need a platform that leverages clickstream, purchase, and event data to understand shopper intent and deliver personalized search results and product recommendations. ### Choose vespa if… - vespa is primarily Java; marqo is Python. - Tags unique to vespa: ai, big-data, java, rag. - Also covers Vector Databases. - Real-time indexing is critical ## When NOT to use marqo - If your project requires an actively maintained open-source solution, as Marqo's open-source project is deprecated and will no longer receive updates. - For non-ecommerce applications, as Marqo is specifically tailored for online retail environments. - If you are looking for a generic search engine that does not specialize in ecommerce search and discovery. ## 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 ## Common questions ### What is the difference between marqo and vespa? marqo: Ecommerce Search and Discovery. vespa: The AI search platform. See the comparison table for live GitHub stats and shared categories. ### When should I choose marqo over vespa? Choose marqo over vespa when marqo is primarily Python; vespa is Java; Tags unique to marqo: ecommerce, multi-modal; When you need a platform that leverages clickstream, purchase, and event data to understand shopper intent and deliver personalized search results and product recommendations. ### When should I choose vespa over marqo? Choose vespa over marqo when vespa is primarily Java; marqo is Python; Tags unique to vespa: ai, big-data, java, rag; Also covers Vector Databases; Real-time indexing is critical. ### When should I avoid marqo? If your project requires an actively maintained open-source solution, as Marqo's open-source project is deprecated and will no longer receive updates. For non-ecommerce applications, as Marqo is specifically tailored for online retail environments. If you are looking for a generic search engine that does not specialize in ecommerce search and discovery. ### 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 marqo or vespa more popular on GitHub? vespa has more GitHub stars (7,054 vs 5,031). Stars measure visibility, not whether either tool fits your constraints. ### Are marqo and vespa open source? Yes - both are open-source projects on GitHub (marqo: Apache-2.0, vespa: Apache-2.0). ### Where can I find alternatives to marqo or vespa? GraphCanon lists graph-backed alternatives at [marqo alternatives](/tools/marqo-ai-marqo/alternatives) and [vespa alternatives](/tools/vespa-engine-vespa/alternatives) ([marqo markdown twin](/tools/marqo-ai-marqo/alternatives.md), [vespa markdown twin](/tools/vespa-engine-vespa/alternatives.md)), 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](/compare/marqo-ai-marqo-vs-vespa-engine-vespa.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, marqo or vespa? marqo: 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 marqo and vespa? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [marqo trust report](/tools/marqo-ai-marqo/trust); [vespa trust report](/tools/vespa-engine-vespa/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=marqo-ai-marqo`](/api/graphcanon/graph?tool=marqo-ai-marqo) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_