# Amazon Kendra vs Vespa

**Leader by Vioscale score:** Vespa

| Attribute | Amazon Kendra | Vespa |
|---|---|---|
| **Vioscale score** | 46.2 (55% (medium)) | 56.1 (77% (high)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 7 |
| adoption.github_stars | - | 7,069 |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"hybrid":true,"self_hosted":true}` |
| description.long | An AWS-managed service that uses ML and natural language processing to deliver accurate search results and instant answers across structured and unstructured enterprise data. Integrates with generative AI and LLMs for retrieval-augmented generation (RAG) applications. | A distributed serving engine that unifies retrieval, ranking, machine learning inference, and real-time serving for business-critical AI applications. |
| features.capabilities | `{"deployment_model":"managed_cloud_saas","generative_ai_answer_synthesis_rag":true,"bring_your_own_llm_byo_model_support":true,"multi_lingual_semantic_understanding":false,"source_system_rbac_permissions_mirroring":true,"hybrid_dense_and_sparse_lexical_reranking":false,"optical_character_recognition_ocr_for_pdfs":false,"admin_dashboard_for_search_analytics_and_gaps":true,"personalization_based_on_user_department_context":true,"pre_built_native_crawlers_for_100_plus_saas_apps":true}` | `{"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 | 14 | 12 |
| integrations.list | `[{"name":"Amazon S3"},{"name":"Amazon RDS"},{"name":"Amazon FSx"},{"name":"Amazon Aurora"},{"name":"Box"},{"name":"Confluence Cloud"},{"name":"Atlassian Confluence Server"},{"name":"Adobe Experience Manager (AEM)"},{"name":"Alfresco On-Prem"},{"name":"Alfresco One"},{"name":"Microsoft SharePoint"},{"name":"Salesforce"},{"name":"ServiceNow"},{"name":"Google Drive"}]` | `[{"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 | - | Java |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"NO","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"usage","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/ec2/pricing/?nc2=h_pr_ec2","retrievedAt":"2026-08-21T11:09:58.587Z"}` | `{"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 | freemium | freemium |
| pricing.price_level | low | low |
| pricing.transparent | no | no |
| release.cadence_days | - | 3 |
| release.history | - | `[{"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.fedramp | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.pci | yes | - |
| security.scorecard | - | 5.8 |
| security.soc2 | - | yes |
| security.vulnerabilities | - | `{"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 (AI Enterprise Search)

| Capability | Amazon Kendra | Vespa |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Deployment model | Managed cloud saas | Hybrid |
| Source system RBAC permissions mirroring | ✓ | - |
| Generative AI answer synthesis rag | ✓ | ✓ |
| Hybrid dense and sparse lexical reranking | ✗ | ✓ |
| Pre built native crawlers for 100 plus saas apps | ✓ | - |
| Multi lingual semantic understanding | ✗ | ✓ |
| Personalization based on user department context | ✓ | - |
| Optical character recognition OCR for pdfs | ✗ | - |
| Admin dashboard for search analytics and gaps | ✓ | - |
| Bring your own LLM byo model support | ✓ | - |
| SOC2 type ii | - | - |
| HIPAA compliance for medical records | - | - |
| Pricing model | - | - |

*Source: Vioscale. Generated 2026-09-01T14:31:33.813Z. "-" = undocumented, not absent.*