# Bleve vs Vespa

| Attribute | Bleve | Vespa |
|---|---|---|
| **Vioscale score** | 51.5 (49% (low)) | 56.1 (77% (high)) |
| activity.commits_last_30d | 12 | 100 |
| adoption.dependent_repos | 685 | 7 |
| adoption.github_stars | 11,187 | 7,069 |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"hybrid":true,"self_hosted":true}` |
| description.long | A library that enables Go developers to embed powerful text, numeric, geospatial, and vector search capabilities directly into their applications through a simple API. | A distributed serving engine that unifies retrieval, ranking, machine learning inference, and real-time serving for business-critical AI applications. |
| 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":"subscription","summary":"Free trial available; contact sales for paid plan pricing","freeTier":true,"sourceUrl":"https://vespa.ai/pricing/","retrievedAt":"2026-08-21T12:45:29.228Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | low |
| 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-v2.5.0","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"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.700.24","date":"2026-06-04T11:28:16Z","type":"stable","version":"v8.700.24"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.699.8","date":"2026-06-03T02:24:29Z","type":"stable","version":"v8.699.8"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.696.20","date":"2026-05-28T17:58:23Z","type":"stable","version":"v8.696.20"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.695.32","date":"2026-05-28T02:25:07Z","type":"stable","version":"v8.695.32"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.694.53","date":"2026-05-27T02:20:47Z","type":"stable","version":"v8.694.53"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.692.16","date":"2026-05-21T08:17:06Z","type":"stable","version":"v8.692.16"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.691.19","date":"2026-05-19T18:07:31Z","type":"stable","version":"v8.691.19"},{"url":"https://github.com/vespa-engine/vespa/releases/tag/v8.687.75","date":"2026-05-12T02:27:04Z","type":"stable","version":"v8.687.75"}]` |
| reliability.status_page | - | yes |
| security.disclosure_policy | - | yes |
| security.gdpr | - | yes |
| security.scorecard | 6.6 | 5.8 |
| 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: Vioscale. Generated 2026-09-01T15:17:15.105Z. "-" = undocumented, not absent.*