# Bleve vs Vespa

**Leader by vioscaleAI score:** Vespa

| Attribute | Bleve | Vespa |
|---|---|---|
| **vioscaleAI score** | 46.3 (49% (low)) | 58 (75% (high)) |
| activity.commits_last_30d | 2 | 100 |
| adoption.dependent_repos | 685 | 7 |
| adoption.github_stars | 11,236 | 7,129 |
| content.faq | `[{"answer":"A library that enables Go developers to embed powerful text, numeric, geospatial, and vector search capabilities directly into their applications through a simple API. It is indexed under Search Engines.","source":"https://blevesearch.com","question":"What is Bleve?","confidence":0.6},{"answer":"Bleve is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://blevesearch.com","question":"Is Bleve free to use?","confidence":0.6},{"answer":"Bleve supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://blevesearch.com","question":"What platforms does Bleve support?","confidence":0.6},{"answer":"Yes. Bleve can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://blevesearch.com","question":"Can Bleve be self-hosted?","confidence":0.6},{"answer":"Yes. Bleve is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/blevesearch/bleve","question":"Is Bleve open source?","confidence":0.95}]` | `[{"answer":"A distributed serving engine that unifies retrieval, ranking, machine learning inference, and real-time serving for business-critical AI applications. It is indexed under Search Engines.","source":"https://vespa.ai/pricing/","question":"What is Vespa?","confidence":0.6},{"answer":"Vespa offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://vespa.ai/pricing/","question":"Is Vespa free?","confidence":0.6},{"answer":"Vespa supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://vespa.ai/pricing/","question":"What platforms does Vespa support?","confidence":0.6},{"answer":"Yes. Vespa can be deployed cloud / SaaS, hybrid and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://vespa.ai/pricing/","question":"Can Vespa be self-hosted?","confidence":0.6},{"answer":"We have confirmed 12 integrations for Vespa, including Python, Cohere, TwelveLabs, Claude Code, OpenAI Codex, Google Gemini, Cursor and VSCode, plus 4 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://vespa.ai/pricing/","question":"What does Vespa integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and GDPR for Vespa. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Vespa not holding them. Always confirm compliance directly before you rely on it.","source":"https://trust.vespa.ai","question":"What security certifications does Vespa have?","confidence":0.7},{"answer":"Yes. Vespa is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/vespa-engine/vespa","question":"Is Vespa open source?","confidence":0.95},{"answer":"Vespa is available worldwide. The vendor is headquartered in Norway.","source":"https://vespa.ai/pricing/","question":"Where is Vespa available?","confidence":0.75}]` |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"hybrid":true,"self_hosted":true}` |
| description.long | A Go search engine that indexes and queries text, numeric, geographic, and vector data, with support for hybrid semantic-keyword searches. | A distributed search and AI platform that handles vectors, tensors, text, and structured data at scale, delivering sub-100ms query latency with continuous data updates and machine-learned relevance ranking. |
| features.capabilities | `{"faceting":"yes","query_dsl":"Query string syntax with term, phrase, match, prefix, fuzzy, range, and compound","deployment":"self_hosted","geo_search":true,"distributed":"single_node","index_engine":"custom","licence_class":"permissive_oss","log_analytics":false,"multi_tenancy":true,"vector_search":"hybrid_fusion","typo_tolerance":"built_in","relevance_tuning":"bm25_only","realtime_indexing":"near_real_time"}` | `{"deployment":"self_hosted","distributed":"sharded","index_engine":"custom","licence_class":"permissive_oss","vector_search":"hybrid_fusion","typo_tolerance":"configurable","deployment_model":"hybrid","relevance_tuning":"ranking_rules","realtime_indexing":"near_real_time","generative_ai_answer_synthesis_rag":true,"multi_lingual_semantic_understanding":true,"hybrid_dense_and_sparse_lexical_reranking":true}` |
| integrations.count | - | 12 |
| integrations.list | - | `[{"name":"Python"},{"name":"Cohere"},{"name":"TwelveLabs"},{"name":"Claude Code"},{"name":"OpenAI Codex"},{"name":"Google Gemini"},{"name":"Cursor"},{"name":"VSCode"},{"name":"IntelliJ"},{"name":"PyCharm"},{"name":"AWS"},{"name":"GCP"}]` |
| language.primary | Go | Java |
| license.spdx | Apache-2.0 | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"NO","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://blevesearch.com","retrievedAt":"2026-08-14T08:37:46.052Z"}` | `{"type":"free","freeTier":true,"sourceUrl":"https://vespa.ai","retrievedAt":"2026-10-14T11:26:49.809Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | free |
| pricing.price_level | free | free |
| pricing.transparent | yes | no |
| release.cadence_days | 66 | 3 |
| release.history | `[{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.6.1","date":"2026-08-24T16:18:28Z","type":"stable","version":"v2.6.1"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.6.0","date":"2026-04-30T19:22:02Z","type":"stable","version":"v2.6.0"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.5.7","date":"2025-12-16T17:25:10Z","type":"stable","version":"v2.5.7"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.5.6","date":"2025-12-02T20:55:49Z","type":"stable","version":"v2.5.6"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.5.5","date":"2025-11-11T16:20:09Z","type":"stable","version":"v2.5.5"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.5.4","date":"2025-10-20T15:46:07Z","type":"stable","version":"v2.5.4"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.5.3","date":"2025-08-08T15:20:02Z","type":"stable","version":"v2.5.3"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.5.2","date":"2025-06-02T18:17:11Z","type":"stable","version":"v2.5.2"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.5.1","date":"2025-05-15T15:39:11Z","type":"stable","version":"v2.5.1"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.5.0","date":"2025-04-03T16:28:38Z","type":"stable","version":"v2.5.0"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.4.4","date":"2024-12-17T21:31:56Z","type":"stable","version":"v2.4.4"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.4.3","date":"2024-11-13T17:54:52Z","type":"stable","version":"v2.4.3"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.4.2","date":"2024-07-26T15:08:11Z","type":"stable","version":"v2.4.2"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.4.1","date":"2024-07-03T16:20:10Z","type":"stable","version":"v2.4.1"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.4.0","date":"2024-03-20T17:14:06Z","type":"stable","version":"v2.4.0"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.3.10","date":"2023-09-15T16:40:22Z","type":"stable","version":"v2.3.10"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.3.9","date":"2023-07-12T18:47:55Z","type":"stable","version":"v2.3.9"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.3.8","date":"2023-05-05T16:33:58Z","type":"stable","version":"v2.3.8"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.3.7","date":"2023-03-17T16:57:48Z","type":"stable","version":"v2.3.7"},{"url":"https://github.com/blevesearch/bleve/releases/tag/v2.3.6","date":"2022-12-15T18:30:07Z","type":"stable","version":"v2.3.6"}]` | `[{"url":"https://github.com/vespa-engine/vespa/releases/tag/lsp-v2.6.1","date":"2026-10-06T14:56:06Z","type":"stable","version":"lsp-v2.6.1"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.763.13","date":"2026-10-05T02:26:25Z","type":"stable","version":"v8.763.13"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.753.16","date":"2026-09-16T23:24:06Z","type":"stable","version":"v8.753.16"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/lsp-v2.6.0","date":"2026-09-16T09:27:29Z","type":"stable","version":"lsp-v2.6.0"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.751.13","date":"2026-09-07T02:23:38Z","type":"stable","version":"v8.751.13"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.750.13","date":"2026-09-03T05:43:15Z","type":"stable","version":"v8.750.13"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.748.3","date":"2026-09-01T07:14:29Z","type":"stable","version":"v8.748.3"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.746.22","date":"2026-09-01T07:14:22Z","type":"stable","version":"v8.746.22"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/lsp-v2.5.0","date":"2026-08-24T08:45:45Z","type":"stable","version":"lsp-v2.5.0"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.738.17","date":"2026-08-13T04:51:03Z","type":"stable","version":"v8.738.17"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.736.12","date":"2026-08-10T02:24:28Z","type":"stable","version":"v8.736.12"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.733.3","date":"2026-08-05T09:03:54Z","type":"stable","version":"v8.733.3"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.730.36","date":"2026-07-28T04:47:04Z","type":"stable","version":"v8.730.36"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.719.5","date":"2026-07-07T02:30:19Z","type":"stable","version":"v8.719.5"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.709.19","date":"2026-06-18T18:42:59Z","type":"stable","version":"v8.709.19"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.708.30","date":"2026-06-18T04:26:19Z","type":"stable","version":"v8.708.30"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.707.16","date":"2026-06-16T14:15:49Z","type":"stable","version":"v8.707.16"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.703.17","date":"2026-06-09T16:31:53Z","type":"stable","version":"v8.703.17"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.702.91","date":"2026-06-09T02:20:48Z","type":"stable","version":"v8.702.91"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/lsp-v2.4.10","date":"2026-06-08T04:18:37Z","type":"stable","version":"lsp-v2.4.10"}]` |
| reliability.status_page | - | yes |
| security.disclosure_policy | - | yes |
| security.gdpr | - | yes |
| security.scorecard | 6.1 | 5.9 |
| security.soc2 | - | yes |
| security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fblevesearch%2Fbleve&per_page=100","last_12m":0,"max_severity":"MODERATE"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.yahoo.vespa%3Acontainer-test&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Search Engines)

| Capability | Bleve | Vespa |
|---|:--:|:--:|
| **Deployment** |  |  |
| Deployment | Self-hosted | Self-hosted |
| **Architecture** |  |  |
| Index engine | Custom | Custom |
| **Query** |  |  |
| Query DSL (JSON / SQL / params / GraphQL) | Query string syntax with term, phrase, match, prefix, fuzzy, range, and compound | - |
| Faceting & filtering | Yes | - |
| Geo search | ✓ | - |
| **Relevance** |  |  |
| Typo tolerance / fuzzy | Built-in | Configurable |
| Relevance tuning | BM25 only | Ranking rules |
| **Vector** |  |  |
| Vector / hybrid search | Dense + lexical fusion | Dense + lexical fusion |
| **Scale** |  |  |
| Distributed / horizontal scale | Single-node | Sharded |
| Multi-tenancy (indexes / collections / tenants) | ✓ | - |
| **Ingest** |  |  |
| Real-time indexing | Near-real-time | Near-real-time |
| **Workload** |  |  |
| Log / analytics workload | ✗ | - |
| **Licensing** |  |  |
| Licence class | Permissive OSS | Permissive OSS |

*Source: vioscaleAI. Generated 2026-10-16T19:03:52.492Z. "-" = undocumented, not absent.*