# Redis vs Valkey

**Leader by vioscaleAI score:** Redis

| Attribute | Redis | Valkey |
|---|---|---|
| **vioscaleAI score** | 70.8 (75% (high)) | 49 (44% (low)) |
| activity.commits_last_30d | 44 | 73 |
| adoption.dependent_repos | 1 | 0 |
| adoption.github_stars | 76,594 | 27,437 |
| adoption.stackoverflow_questions | 26,000 | - |
| content.faq | `[{"answer":"Redis is an in-memory data platform that stores and retrieves data at high speed, making it ideal for applications requiring real-time performance. It serves use cases including caching, session management, message queuing, leaderboards, fraud detection, and vector search for AI applications.","source":"https://redis.io","question":"What is Redis and what is it primarily used for?","confidence":0.95},{"answer":"Redis offers both options: Redis Open Source is free and available under an open-source license (version 8.0 and later uses a tri-license model with RSALv2, SSPLv1, or AGPLv3). For commercial users, Redis Inc. provides Redis Cloud (fully managed) and Redis Software (self-managed on-premise), both with paid plans.","source":"https://github.com/redis/redis","question":"Is Redis open-source or commercial?","confidence":0.95},{"answer":"Redis provides official client libraries for Python, Node.js, Java, Go, and .NET, plus numerous community-maintained libraries for other languages. This wide language support makes it compatible with most modern development stacks.","source":"https://redis.io","question":"What programming languages and platforms does Redis support?","confidence":0.92},{"answer":"Redis supports a wide range of data types including strings, lists, sets, sorted sets, hashes, streams, JSON, geospatial indexes, time-series data, and vector sets. This variety enables developers to optimize for different use cases from simple key-value storage to complex AI vector search.","source":"https://redis.io/docs/latest/develop/data-types/","question":"What data types does Redis support?","confidence":0.95},{"answer":"Redis offers three deployment options: Redis Open Source for self-managed on-premise installations, Redis Software for self-managed hybrid deployments, and Redis Cloud for fully managed cloud hosting on AWS, Azure, or Google Cloud. This flexibility allows organizations to choose based on their infrastructure and operational preferences.","source":"https://redis.io","question":"How can you deploy Redis?","confidence":0.93},{"answer":"Redis Cloud operates on a tiered model with a free tier (limited to 30 MB), an Essentials tier starting from $5 per month for shared deployment, and a Pro tier (minimum $200 per month) for dedicated deployment with multi-region capabilities. Pricing is based on data size, with option to pay hourly or commit to monthly plans.","source":"https://redis.io/pricing/","question":"What is the pricing model for Redis Cloud?","confidence":0.9},{"answer":"Common alternatives include Memcached for simple caching, database caching layers, key-value stores like DynamoDB or MongoDB, and message brokers like Apache Kafka. The choice depends on whether the primary need is ultra-fast caching, persistent storage, complex queries, or message streaming.","source":"https://redis.io","question":"What are common alternatives to Redis?","confidence":0.88},{"answer":"Redis offers optional persistence through snapshotting and append-only file (AOF) logging, though its primary design prioritizes speed via in-memory storage. For critical data, users typically pair Redis with a persistent database or use Redis Cloud's backup features. Advanced plans on Redis Cloud provide up to 99.999% uptime SLA with active-active multi-region deployment.","source":"https://redis.io","question":"Does Redis provide persistence and data reliability?","confidence":0.91}]` | `[{"answer":"A Linux Foundation-backed open-source database server for storing and managing key-value data. Supports multiple data types and deployment modes ranging from single-node setups to distributed clusters, serving caching, message queue, and primary database use cases. It is indexed under Key-Value Stores.","source":"https://valkey.io","question":"What is Valkey?","confidence":0.6},{"answer":"Valkey 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://valkey.io","question":"Is Valkey free to use?","confidence":0.6},{"answer":"Valkey supports macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://valkey.io","question":"What platforms does Valkey support?","confidence":0.6},{"answer":"Yes. Valkey can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://valkey.io","question":"Can Valkey be self-hosted?","confidence":0.6},{"answer":"Yes. Valkey 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/valkey-io/valkey","question":"Is Valkey open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A multi-purpose in-memory data platform that functions as a cache, vector database, document store, streaming engine, and message broker, with built-in support for advanced search, transactions, and multi-region replication. | A data store designed for fast access to cached and real-time data, supporting message queues and other workloads. Available both as an open-source project backed by the Linux Foundation and through managed cloud services from multiple providers. |
| features.capabilities | `{"hosting":"both","clustering":"sharded","data_model":"key_value","deployment":"managed","consistency":"strong","persistence":"append_log","replication":true,"eviction_ttl":true,"storage_tier":"in_memory","transactions":"multi_exec","licence_class":"source_available","managed_cloud":true,"vector_search":true,"wire_protocol":"resp","multi_threaded":true,"pubsub_streams":true,"data_structures":"rich_types","full_text_search":true,"redis_api_compat":"full","acid_transactions":true,"horizontal_scaling":true}` | `{"clustering":"sharded","deployment":"self_hosted","persistence":"snapshot","eviction_ttl":true,"storage_tier":"persistent","licence_class":"permissive","wire_protocol":"resp","multi_threaded":true,"pubsub_streams":true,"data_structures":"rich_types","redis_api_compat":"full"}` |
| integrations.count | 11 | 2 |
| integrations.list | `[{"name":"Oracle"},{"name":"PostgreSQL"},{"name":"MySQL"},{"name":"MariaDB"},{"name":"Percona XtraDB"},{"name":"Microsoft SQL Server"},{"name":"MongoDB"},{"name":"Cassandra"},{"name":"Google Cloud SQL"},{"name":"Grafana"},{"name":"Prometheus"},{"name":"AWS"},{"name":"Microsoft Azure"},{"name":"Google Cloud"},{"name":"Python"},{"name":"Node.js"},{"name":"Java"},{"name":"Go"},{"name":".NET"},{"name":"Datadog","native":true,"category":"monitoring"},{"name":"New Relic","native":true,"category":"monitoring"},{"name":"Azure","native":true}]` | `[{"name":"Harbor"},{"name":"OpenTelemetry","native":true,"category":"observability","direction":"outbound"},{"name":"Prometheus","native":true,"category":"observability","direction":"outbound"}]` |
| language.primary | C | C |
| license.spdx | RSALv2 | BSD-3-Clause |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` | `{"cli":true,"mac":true,"linux":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":false,"name":"Essentials","features":["Single database","Index on RAM","99.99% uptime"],"description":"Single database with in-memory storage","contactSales":false,"includedLimits":{"storage":"12 GB"}},{"free":false,"name":"Flex","features":["Tiered RAM and SSD storage","Adjustable RAM ratio","99.99% uptime","Up to 80% cost savings vs RAM alone"],"description":"RAM and SSD tiered storage for cost optimization","contactSales":false,"includedLimits":{"storage":"100 GB"}},{"free":false,"name":"Pro","features":["Unlimited databases","Unlimited storage","Unlimited ops/sec","Active-Active multi-region","99.999% uptime"],"description":"Unlimited scale with active-active replication","contactSales":false}],"summary":"Free open-source software plus three cloud subscription tiers (Essentials, Flex, Pro)","currency":"USD","freeTier":true,"sourceUrl":"https://redis.io/pricing/calculator/","retrievedAt":"2026-10-05T11:03:29.738Z","billingPeriods":["month","year"]}` | `{"type":"open_source","sourceUrl":"https://valkey.io","retrievedAt":"2026-10-15T20:20:51.703Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.transparent | no | yes |
| release.cadence_days | 45 | - |
| release.history | `[{"url":"https://github.com/redis/redis/releases/tag/8.10.2","date":"2026-09-17T15:06:56Z","type":"stable","version":"8.10.2"},{"url":"https://github.com/redis/redis/releases/tag/8.8.3","date":"2026-09-17T15:04:35Z","type":"stable","version":"8.8.3"},{"url":"https://github.com/redis/redis/releases/tag/8.6.7","date":"2026-09-17T15:01:42Z","type":"stable","version":"8.6.7"},{"url":"https://github.com/redis/redis/releases/tag/8.4.7","date":"2026-09-17T14:58:05Z","type":"stable","version":"8.4.7"},{"url":"https://github.com/redis/redis/releases/tag/8.2.10","date":"2026-09-17T14:53:52Z","type":"stable","version":"8.2.10"},{"url":"https://github.com/redis/redis/releases/tag/8.10.1","date":"2026-08-17T16:44:04Z","type":"stable","version":"8.10.1"},{"url":"https://github.com/redis/redis/releases/tag/8.8.2","date":"2026-08-17T16:41:01Z","type":"stable","version":"8.8.2"},{"url":"https://github.com/redis/redis/releases/tag/8.6.6","date":"2026-08-17T16:39:37Z","type":"stable","version":"8.6.6"},{"url":"https://github.com/redis/redis/releases/tag/8.4.6","date":"2026-08-17T16:38:05Z","type":"stable","version":"8.4.6"},{"url":"https://github.com/redis/redis/releases/tag/8.2.9","date":"2026-08-17T16:36:23Z","type":"stable","version":"8.2.9"},{"url":"https://github.com/redis/redis/releases/tag/7.4.11","date":"2026-08-17T16:33:09Z","type":"stable","version":"7.4.11"},{"url":"https://github.com/redis/redis/releases/tag/7.2.16","date":"2026-08-17T16:30:32Z","type":"stable","version":"7.2.16"},{"url":"https://github.com/redis/redis/releases/tag/6.2.24","date":"2026-08-17T16:28:20Z","type":"stable","version":"6.2.24"},{"url":"https://github.com/redis/redis/releases/tag/8.10.0","date":"2026-07-29T17:20:06Z","type":"stable","version":"8.10.0"},{"url":"https://github.com/redis/redis/releases/tag/8.8.1","date":"2026-07-23T19:30:31Z","type":"stable","version":"8.8.1"},{"url":"https://github.com/redis/redis/releases/tag/8.6.5","date":"2026-07-23T19:27:27Z","type":"stable","version":"8.6.5"},{"url":"https://github.com/redis/redis/releases/tag/8.4.5","date":"2026-07-23T19:24:29Z","type":"stable","version":"8.4.5"},{"url":"https://github.com/redis/redis/releases/tag/8.2.8","date":"2026-07-23T19:20:47Z","type":"stable","version":"8.2.8"},{"url":"https://github.com/redis/redis/releases/tag/7.4.10","date":"2026-07-23T18:01:58Z","type":"stable","version":"7.4.10"},{"url":"https://github.com/redis/redis/releases/tag/7.2.15","date":"2026-07-23T17:57:28Z","type":"stable","version":"7.2.15"}]` | `[{"url":"https://github.com/valkey-io/valkey/releases/tag/9.2.0-rc1","date":"2026-09-16T22:49:16Z","type":"prerelease","version":"9.2.0-rc1"},{"url":"https://github.com/valkey-io/valkey/releases/tag/9.0.6","date":"2026-09-01T01:29:49Z","type":"stable","version":"9.0.6"},{"url":"https://github.com/valkey-io/valkey/releases/tag/9.1.2","date":"2026-09-01T00:01:31Z","type":"stable","version":"9.1.2"},{"url":"https://github.com/valkey-io/valkey/releases/tag/8.1.10","date":"2026-08-31T23:29:53Z","type":"stable","version":"8.1.10"},{"url":"https://github.com/valkey-io/valkey/releases/tag/8.0.11","date":"2026-08-31T23:27:40Z","type":"stable","version":"8.0.11"},{"url":"https://github.com/valkey-io/valkey/releases/tag/9.1.1","date":"2026-07-21T23:41:58Z","type":"stable","version":"9.1.1"},{"url":"https://github.com/valkey-io/valkey/releases/tag/9.0.5","date":"2026-07-21T23:40:40Z","type":"stable","version":"9.0.5"},{"url":"https://github.com/valkey-io/valkey/releases/tag/8.1.9","date":"2026-07-21T23:38:25Z","type":"stable","version":"8.1.9"},{"url":"https://github.com/valkey-io/valkey/releases/tag/8.0.10","date":"2026-07-21T23:37:16Z","type":"stable","version":"8.0.10"},{"url":"https://github.com/valkey-io/valkey/releases/tag/7.2.14","date":"2026-07-21T21:35:40Z","type":"stable","version":"7.2.14"},{"url":"https://github.com/valkey-io/valkey/releases/tag/8.1.8","date":"2026-06-02T18:12:16Z","type":"stable","version":"8.1.8"},{"url":"https://github.com/valkey-io/valkey/releases/tag/9.1.0","date":"2026-05-19T15:05:52Z","type":"stable","version":"9.1.0"},{"url":"https://github.com/valkey-io/valkey/releases/tag/9.0.4","date":"2026-05-06T04:00:07Z","type":"stable","version":"9.0.4"},{"url":"https://github.com/valkey-io/valkey/releases/tag/8.1.7","date":"2026-05-06T04:00:12Z","type":"stable","version":"8.1.7"},{"url":"https://github.com/valkey-io/valkey/releases/tag/8.0.9","date":"2026-05-06T16:19:13Z","type":"stable","version":"8.0.9"},{"url":"https://github.com/valkey-io/valkey/releases/tag/7.2.13","date":"2026-05-06T04:00:21Z","type":"stable","version":"7.2.13"},{"url":"https://github.com/valkey-io/valkey/releases/tag/8.0.8","date":"2026-05-06T04:00:15Z","type":"stable","version":"8.0.8"},{"url":"https://github.com/valkey-io/valkey/releases/tag/9.1.0-rc2","date":"2026-04-28T17:33:18Z","type":"prerelease","version":"9.1.0-rc2"},{"url":"https://github.com/valkey-io/valkey/releases/tag/9.1.0-rc1","date":"2026-03-16T23:42:03Z","type":"prerelease","version":"9.1.0-rc1"},{"url":"https://github.com/valkey-io/valkey/releases/tag/9.0.3","date":"2026-02-24T04:06:53Z","type":"stable","version":"9.0.3"}]` |
| reliability.sla_pct | 99.999 | - |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.iso27001 | yes | - |
| security.pci | yes | - |
| security.scorecard | 6.8 | 6.1 |
| security.soc2 | yes | - |
| security.trust_center | https://redis.io/security/notice-apache-log4j2-cve-2021-44228/ | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fredis%2Fredis&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=kubeblocks%2Fvalkey-cluster&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Key-Value Stores)

| Capability | Redis | Valkey |
|---|:--:|:--:|
| **Storage** |  |  |
| Storage tier | In-memory | Persistent |
| Persistence | Append-only log | Snapshot (RDB) |
| Data structures | Rich types | Rich types |
| **Protocol** |  |  |
| Wire protocol | RESP (Redis) | RESP (Redis) |
| **Distribution** |  |  |
| Clustering | Sharded | Sharded |
| Consistency | 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 2026-10-16T20:10:27.344Z. "-" = undocumented, not absent.*