# Amazon ElastiCache vs KeyDB

**Leader by vioscaleAI score:** Amazon ElastiCache

| Attribute | Amazon ElastiCache | KeyDB |
|---|---|---|
| **vioscaleAI score** | 83.1 (61% (medium)) | 37.5 (46% (low)) |
| activity.commits_last_30d | - | 0 |
| adoption.dependent_repos | - | 1 |
| adoption.github_stars | - | 12,500 |
| content.faq | `[{"answer":"An AWS-hosted caching platform that provides ultra-low latency access to frequently used data with support for Valkey, Memcached, and Redis-compatible APIs. It automatically manages infrastructure, scales elastically to handle billions of requests per second, and eliminates downtime during maintenance. It is indexed under Key-Value Stores.","source":"https://aws.amazon.com/bedrock/pricing/?nc2=h_pr_br","question":"What is Amazon ElastiCache?","confidence":0.6},{"answer":"Amazon ElastiCache offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://aws.amazon.com/bedrock/pricing/?nc2=h_pr_br","question":"Is Amazon ElastiCache free?","confidence":0.6},{"answer":"Amazon ElastiCache supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://aws.amazon.com/bedrock/pricing/?nc2=h_pr_br","question":"What platforms does Amazon ElastiCache support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Amazon ElastiCache, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://aws.amazon.com/bedrock/pricing/?nc2=h_pr_br","question":"Can Amazon ElastiCache be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed HIPAA and GDPR for Amazon ElastiCache. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Amazon ElastiCache not holding them. Always confirm compliance directly before you rely on it.","source":"https://aws.amazon.com/compliance/?nc2=h_dsc_aa_cmp","question":"What security certifications does Amazon ElastiCache have?","confidence":0.7},{"answer":"Amazon ElastiCache is available worldwide. The vendor is headquartered in the United States.","source":"https://aws.amazon.com/bedrock/pricing/?nc2=h_pr_br","question":"Where is Amazon ElastiCache available?","confidence":0.75}]` | `[{"answer":"KeyDB is an open-source database that offers significantly higher performance than Redis through multithreading while maintaining full Redis protocol compatibility. It includes advanced features like active replication, FLASH storage, and MVCC architecture for non-blocking queries. It is indexed under Key-Value Stores.","source":"https://keydb.dev","question":"What is KeyDB?","confidence":0.6},{"answer":"KeyDB is open source, so it can be self-hosted and used at no licence cost. It is released under the BSD-3-Clause licence. Pricing changes often, so verify at source before relying on it.","source":"https://keydb.dev","question":"Is KeyDB free to use?","confidence":0.6},{"answer":"KeyDB supports Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://keydb.dev","question":"What platforms does KeyDB support?","confidence":0.6},{"answer":"Yes. KeyDB can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://keydb.dev","question":"Can KeyDB be self-hosted?","confidence":0.6},{"answer":"Yes. KeyDB is published under the BSD-3-Clause 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/Snapchat/KeyDB","question":"Is KeyDB open source?","confidence":0.95},{"answer":"KeyDB is available worldwide. The vendor is headquartered in the United States.","source":"https://keydb.dev","question":"Where is KeyDB available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true,"hybrid":true}` | `{"self_hosted":true}` |
| description.long | A fully managed caching service that removes infrastructure management overhead while delivering sub-millisecond data access. It supports Valkey, Memcached, and Redis OSS, enabling teams to use familiar APIs and migrate existing applications with minimal code changes. | A data storage system that maintains Redis API compatibility while offering both in-memory and persistent storage modes, supporting active replication for distributed deployments and asynchronous command execution. |
| features.capabilities | `{"clustering":"replicated","deployment":"managed","consistency":"eventual","persistence":"snapshot","eviction_ttl":true,"storage_tier":"in_memory","licence_class":"source_available","wire_protocol":"resp","pubsub_streams":true,"data_structures":"rich_types","redis_api_compat":"full"}` | `{"clustering":"sharded","deployment":"self_hosted","consistency":"strong","persistence":"durable","eviction_ttl":true,"storage_tier":"in_memory","transactions":"multi_exec","licence_class":"permissive","wire_protocol":"resp","multi_threaded":true,"pubsub_streams":true,"data_structures":"rich_types","redis_api_compat":"full"}` |
| integrations.count | - | 1 |
| integrations.list | - | `[{"name":"redis-py","native":false,"direction":"inbound"}]` |
| language.primary | - | C++ |
| license.spdx | - | BSD-3-Clause |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":["CN"]}` | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"linux":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":false,"name":"On-Demand","summary":"Pay-as-you-go hourly pricing per instance","features":["Hourly instance pricing","No minimum fees","No upfront commitments","Auto scaling"],"contactSales":false},{"free":false,"name":"Serverless","summary":"Usage-based billing with no minimum fees or upfront commitments","features":["Zero infrastructure management","Zero downtime maintenance","Billed per GB-hour","Minimum 1 GB data storage"],"contactSales":false},{"free":false,"name":"Database Savings Plans","summary":"Commit to specific hourly spend for savings","features":["1-year usage commitment","Discounted hourly rates"],"commitment":"annual","contactSales":false}],"addOns":[{"name":"Backup storage","components":[{"per":{"qty":1,"unit":"gb-month"},"kind":"metered","amount":0.085,"currency":"USD"}]}],"summary":"Starting at $6/month (Valkey Serverless). Free tier: 750 hours cache.t3.micro + $100 credits.","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/elasticache/pricing/","retrievedAt":"2026-10-13T10:30:16.025Z","billingPeriods":["month"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://keydb.dev","retrievedAt":"2026-08-14T16:35:54.733Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 53 |
| release.history | - | `[{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.3.4","date":"2023-10-30T20:26:08Z","type":"stable","version":"v6.3.4"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.3.3","date":"2023-05-03T05:11:58Z","type":"stable","version":"v6.3.3"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.3.2","date":"2023-01-22T20:55:51Z","type":"stable","version":"v6.3.2"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.3.1","date":"2022-06-09T01:34:47Z","type":"stable","version":"v6.3.1"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.3.0","date":"2022-05-12T12:56:55Z","type":"prerelease","version":"v6.3.0"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.2.2","date":"2022-01-19T20:21:31Z","type":"stable","version":"v6.2.2"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.2.1","date":"2021-11-19T17:13:43Z","type":"stable","version":"v6.2.1"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.2.0","date":"2021-08-11T23:24:38Z","type":"stable","version":"v6.2.0"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.0.18","date":"2021-08-09T17:59:30Z","type":"stable","version":"v6.0.18"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.0.16","date":"2020-09-28T20:02:05Z","type":"stable","version":"v6.0.16"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v6.0.13","date":"2020-07-13T03:59:37Z","type":"stable","version":"v6.0.13"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/6.0.8-rc1","date":"2020-06-01T21:34:22Z","type":"prerelease","version":"6.0.8-rc1"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.3.3","date":"2020-03-26T05:27:27Z","type":"stable","version":"v5.3.3"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.3.2","date":"2020-03-04T22:47:42Z","type":"stable","version":"v5.3.2"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.3.1","date":"2020-01-21T00:21:39Z","type":"stable","version":"v5.3.1"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.3.0","date":"2020-01-06T17:14:10Z","type":"stable","version":"v5.3.0"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.2.0","date":"2019-12-17T23:51:31Z","type":"stable","version":"v5.2.0"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.1.1","date":"2019-10-25T03:54:05Z","type":"stable","version":"v5.1.1"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.1.0","date":"2019-10-21T16:22:43Z","type":"stable","version":"v5.1.0"},{"url":"https://github.com/Snapchat/KeyDB/releases/tag/v5.0.2","date":"2019-09-06T17:33:06Z","type":"stable","version":"v5.0.2"}]` |
| reliability.sla_pct | 99.99 | - |
| reliability.status_page | yes | - |
| security.certifications | `[{"name":"SOC 1","status":"active"},{"name":"SOC 2","status":"active"},{"name":"SOC 3","status":"active"},{"name":"ISO 27001","status":"active"},{"name":"PCI-DSS","status":"active"},{"name":"HIPAA","status":"active"},{"name":"FedRAMP","status":"active"}]` | - |
| security.disclosure_policy | yes | - |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.iso27001 | yes | - |
| security.pci | yes | - |
| security.soc2 | yes | - |
| security.trust_center | https://aws.amazon.com/compliance/ | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=homebrew&package_name=keydb&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Key-Value Stores)

| Capability | Amazon ElastiCache | KeyDB |
|---|:--:|:--:|
| **Storage** |  |  |
| Storage tier | In-memory | In-memory |
| Persistence | Snapshot (RDB) | Fully durable |
| Data structures | Rich types | Rich types |
| **Protocol** |  |  |
| Wire protocol | RESP (Redis) | RESP (Redis) |
| **Distribution** |  |  |
| Clustering | Replicated | Sharded |
| Consistency | Eventual | Strong |
| **Ops** |  |  |
| Eviction / TTL policies | ✓ | ✓ |
| Multi-threaded | - | ✓ |
| Pub/Sub / streams | ✓ | ✓ |
| Transactions / atomic ops | - | MULTI-EXEC |
| **Deployment** |  |  |
| Deployment | Managed | Self-hosted |
| **Licensing** |  |  |
| Licence class | Source-available | Permissive OSS |
| **Compatibility** |  |  |
| Redis API compatibility | Full | Full |

*Source: vioscaleAI. Generated 2026-10-20T14:58:58.910Z. "-" = undocumented, not absent.*