# Milvus vs Upstash

**Leader by vioscaleAI score:** Upstash

| Attribute | Milvus | Upstash |
|---|---|---|
| **vioscaleAI score** | 58 (57% (medium)) | 73.5 (73% (medium)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 7 | - |
| adoption.github_stars | 46,047 | - |
| content.faq | `[{"answer":"A distributed database system for storing and searching high-dimensional vectors at scale. Supports multiple deployment models from local notebooks to cloud-managed services, with capabilities for hybrid search combining dense and sparse embeddings. It is indexed under Vector Databases.","source":"https://milvus.io","question":"What is Milvus?","confidence":0.6},{"answer":"Milvus offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://milvus.io","question":"Is Milvus free?","confidence":0.6},{"answer":"Milvus supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://milvus.io","question":"What platforms does Milvus support?","confidence":0.6},{"answer":"Yes. Milvus can be deployed cloud / SaaS, hybrid and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://milvus.io","question":"Can Milvus be self-hosted?","confidence":0.6},{"answer":"We have confirmed 7 integrations for Milvus, including OpenAI, Sentence Transformers, BGE-M3, SPLADE, Jina AI, BM25 and PyMilvus. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://milvus.io","question":"What does Milvus integrate with?","confidence":0.6},{"answer":"Yes. Milvus 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/milvus-io/milvus","question":"Is Milvus open source?","confidence":0.95}]` | `[{"answer":"A cloud platform offering serverless Redis, vector databases, message queues, and workflow orchestration designed for developers building serverless applications, with usage-based and fixed-rate pricing options. It is indexed under Key-Value Stores.","source":"https://upstash.com/blog/aws-elasticache-pricing-explained-2026-full-cost-breakdown","question":"What is Upstash?","confidence":0.6},{"answer":"Upstash offers a free tier, so you can start without paying. Paid plans start at $10 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://upstash.com/blog/aws-elasticache-pricing-explained-2026-full-cost-breakdown","question":"Is Upstash free?","confidence":0.6},{"answer":"Upstash supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://upstash.com/blog/aws-elasticache-pricing-explained-2026-full-cost-breakdown","question":"What platforms does Upstash support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Upstash, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://upstash.com/blog/aws-elasticache-pricing-explained-2026-full-cost-breakdown","question":"Can Upstash be self-hosted?","confidence":0.6},{"answer":"We have confirmed 11 integrations for Upstash, including Cloudflare Workers, Auth0, MongoDB, MySQL, PostgreSQL, Debezium, JDBC and FluentBit, plus 3 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://upstash.com/blog/aws-elasticache-pricing-explained-2026-full-cost-breakdown","question":"What does Upstash integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Upstash. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Upstash not holding them. Always confirm compliance directly before you rely on it.","source":"https://upstash.com/blog/redis-new-pricing","question":"What security certifications does Upstash have?","confidence":0.6},{"answer":"Upstash is available worldwide. Its primary market is the United States.","source":"https://upstash.com/blog/aws-elasticache-pricing-explained-2026-full-cost-breakdown","question":"Where is Upstash available?","confidence":0.5}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | A high-performance, distributed vector database that enables fast similarity search across billions of high-dimensional vectors, supporting real-time updates, flexible metadata filtering, and hybrid search capabilities for AI and machine learning applications. | A cloud platform offering serverless Redis, vector databases, message queues, and workflow orchestration designed for developers building serverless applications, with usage-based and fixed-rate pricing options. |
| features.capabilities | `{"ann_index":"HNSW, IVF, FLAT, SCANN, DiskANN, GPU_CAGRA","deployment":"self_hosted","serverless":true,"consistency":"eventual","quantization":"product","storage_tier":"disk_backed","hybrid_search":true,"licence_class":"permissive_oss","multi_tenancy":true,"product_class":"dedicated_dbms","full_text_bm25":true,"distance_metrics":"cosine, Euclidean, dot product","horizontal_scale":"sharded_distributed","metadata_filtering":"pre_filter"}` | `{"ann_index":"HNSW","clustering":"replicated","deployment":"managed","serverless":true,"consistency":"strong","persistence":"durable","eviction_ttl":true,"storage_tier":"persistent","transactions":"multi_exec","hybrid_search":true,"licence_class":"proprietary","multi_tenancy":true,"product_class":"dedicated_dbms","wire_protocol":"resp","full_text_bm25":true,"multi_threaded":false,"pubsub_streams":true,"data_structures":"rich_types","distance_metrics":"cosine","horizontal_scale":"sharded_distributed","redis_api_compat":"full","metadata_filtering":"pre_filter"}` |
| integrations.count | 7 | 7 |
| integrations.list | `[{"name":"OpenAI"},{"name":"Sentence Transformers"},{"name":"BGE-M3"},{"name":"SPLADE"},{"name":"Jina AI"},{"name":"BM25"},{"name":"PyMilvus"},{"name":"Jina","category":"reranking"}]` | `[{"name":"Cloudflare Workers"},{"name":"Auth0"},{"name":"MongoDB"},{"name":"MySQL"},{"name":"PostgreSQL"},{"name":"Debezium"},{"name":"JDBC"},{"name":"FluentBit"},{"name":"Drizzle","native":true,"category":"orm","direction":"bidirectional"},{"name":"Vercel AI SDK","native":false,"category":"ai","direction":"bidirectional"},{"name":"Redis protocol clients","native":true,"direction":"bidirectional"}]` |
| language.primary | Go | - |
| license.spdx | Apache-2.0 | - |
| market.availability | - | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"linux":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"free","summary":"Open-source and available for free. Managed hosting available through Zilliz Cloud.","freeTier":true,"sourceUrl":"https://milvus.io","retrievedAt":"2026-09-10T21:06:32.662Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Pay-as-you-go","summary":"$0.20 per 100K commands plus $0.25/GB storage (1 GB free)","features":["1 GB free storage","Per-request pricing","No minimum charge"],"commitment":"monthly","components":[{"per":{"qty":100000,"unit":"commands"},"kind":"metered","amount":0.2,"currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.25,"currency":"USD"}],"description":"Usage-based billing without long-term commitment","contactSales":false,"includedLimits":{"storage":"1 GB free"}},{"free":false,"name":"Fixed plan","summary":"$10 to $1,500 per month depending on storage and throughput requirements","features":["Guaranteed capacity","No per-request overage charges","Flexible cancellation"],"commitment":"monthly","components":[{"kind":"fixed","amount":10,"period":"month","currency":"USD"},{"kind":"fixed","amount":1500,"period":"month","currency":"USD"}],"description":"Flat monthly rate with predictable costs and guaranteed capacity","contactSales":false},{"free":false,"name":"Enterprise","summary":"Custom pricing for 100K+ commands per second and above","features":["Custom capacity and SLAs","Dedicated support"],"description":"Custom solutions for high-volume production workloads","contactSales":true,"includedLimits":{"commands":"100K+ per second"}}],"summary":"Free tier available. Pay-as-you-go from $0 (1 GB storage free), or fixed plans $10–$1,500/month","currency":"USD","freeTier":true,"sourceUrl":"https://upstash.com/blog/aws-elasticache-pricing-explained-2026-full-cost-breakdown","retrievedAt":"2026-09-08T17:37:50.363Z","startingPrice":{"amount":10,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | free | freemium |
| pricing.price_level | free | low |
| pricing.starting_price | - | `{"amount":10,"currency":"USD"}` |
| pricing.transparent | no | yes |
| release.cadence_days | 10 | - |
| release.history | `[{"url":"https://github.com/milvus-io/milvus/releases/tag/v3.0.1","date":"2026-09-09T07:32:57Z","type":"stable","version":"v3.0.1"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v2.6.23","date":"2026-08-28T07:59:27Z","type":"stable","version":"v2.6.23"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v2.6.22","date":"2026-08-04T01:55:59Z","type":"stable","version":"v2.6.22"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v3.0.0","date":"2026-07-29T14:27:06Z","type":"stable","version":"v3.0.0"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v2.6.21","date":"2026-07-24T06:50:28Z","type":"stable","version":"v2.6.21"},{"url":"https://github.com/milvus-io/milvus/releases/tag/client/v3.0.0-beta","date":"2026-07-19T14:35:01Z","type":"prerelease","version":"client/v3.0.0-beta"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v2.6.20","date":"2026-07-14T06:44:48Z","type":"stable","version":"v2.6.20"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v2.6.19","date":"2026-06-26T11:47:18Z","type":"stable","version":"v2.6.19"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v2.6.18","date":"2026-06-05T04:03:06Z","type":"stable","version":"v2.6.18"},{"url":"https://github.com/milvus-io/milvus/releases/tag/client/v2.6.5","date":"2026-05-26T02:44:44Z","type":"stable","version":"client/v2.6.5"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v2.6.17","date":"2026-05-22T03:15:16Z","type":"stable","version":"v2.6.17"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v2.6.16","date":"2026-05-14T04:15:09Z","type":"stable","version":"v2.6.16"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v3.0-beta","date":"2026-05-09T04:49:46Z","type":"prerelease","version":"v3.0-beta"},{"url":"https://github.com/milvus-io/milvus/releases/tag/client/v2.6.4","date":"2026-05-08T02:40:41Z","type":"stable","version":"client/v2.6.4"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v2.6.15","date":"2026-04-17T02:29:29Z","type":"stable","version":"v2.6.15"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v2.6.14","date":"2026-04-07T02:08:37Z","type":"stable","version":"v2.6.14"},{"url":"https://github.com/milvus-io/milvus/releases/tag/client/v2.6.3","date":"2026-03-24T06:33:20Z","type":"stable","version":"client/v2.6.3"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v2.6.13","date":"2026-03-23T07:58:53Z","type":"stable","version":"v2.6.13"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v2.6.12","date":"2026-03-13T07:24:42Z","type":"stable","version":"v2.6.12"},{"url":"https://github.com/milvus-io/milvus/releases/tag/v2.6.11","date":"2026-02-12T01:57:24Z","type":"stable","version":"v2.6.11"}]` | - |
| reliability.sla_pct | - | 99.99 |
| reliability.status_page | - | yes |
| security.disclosure_policy | - | yes |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.scorecard | 4.4 | - |
| security.soc2 | - | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fmilvus-io%2Fmilvus%2Fpkg&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Vector Databases)

| Capability | Milvus | Upstash |
|---|:--:|:--:|
| **Deployment** |  |  |
| Deployment | Self-hosted | Managed |
| Serverless / consumption pricing | ✓ | ✓ |
| **Index** |  |  |
| ANN index (HNSW / IVF / DiskANN / ScaNN / flat) | HNSW, IVF, FLAT, SCANN, DiskANN, GPU_CAGRA | HNSW |
| Distance metrics (cosine / dot / Euclidean) | cosine, Euclidean, dot product | cosine |
| **Query** |  |  |
| Metadata filtering | Pre-filter | Pre-filter |
| Hybrid search (dense + sparse fusion) | ✓ | ✓ |
| Built-in BM25 / lexical | ✓ | ✓ |
| **Storage** |  |  |
| Quantization | Product | - |
| On-disk vs in-memory | Disk-backed | persistent |
| **Scale** |  |  |
| Multi-tenancy (namespaces / collections / tenants) | ✓ | ✓ |
| Horizontal scale | Sharded / distributed | Sharded / distributed |
| **Consistency** |  |  |
| Consistency | Eventual | Strong |
| **Licensing** |  |  |
| Licence class | Permissive OSS | Proprietary |
| **Classification** |  |  |
| Purpose-built vs feature-of-parent | Dedicated DBMS | Dedicated DBMS |

*Source: vioscaleAI. Generated 2026-09-21T06:07:54.162Z. "-" = undocumented, not absent.*