# Amazon ElastiCache vs Redis

| Attribute | Amazon ElastiCache | Redis |
|---|---|---|
| **Vioscale score** | 63.1 (61% (medium)) | 64.1 (75% (high)) |
| activity.commits_last_30d | - | 60 |
| adoption.dependent_repos | - | 1 |
| adoption.github_stars | - | 76,112 |
| 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}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | 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. | A versatile in-memory database engine that enables sub-millisecond data access and processing for caching, stream processing, session storage, search, and machine learning workloads. Available as both open-source software and managed cloud services across multiple cloud providers. |
| 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":"managed","consistency":"strong","persistence":"append_log","eviction_ttl":true,"storage_tier":"in_memory","transactions":"multi_exec","licence_class":"source_available","wire_protocol":"resp","multi_threaded":true,"pubsub_streams":true,"data_structures":"rich_types","redis_api_compat":"full"}` |
| integrations.count | - | 19 |
| 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"}]` |
| language.primary | - | C |
| license.spdx | - | RSALv2 |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"usage","plans":[{"free":true,"name":"Serverless","summary":"From $6/month for Valkey; pay for data stored and compute used","features":["Zero infrastructure management","Zero downtime maintenance","Automatic scaling","Multiple service tiers (Standard, Flex, Priority, Reserved)"],"description":"Pay-for-use model with automatic scaling","contactSales":false}],"summary":"From $6/month (Valkey). Usage-based pricing; free tier available.","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/bedrock/pricing/?nc2=h_pr_br","retrievedAt":"2026-08-14T21:36:45.380Z","billingPeriods":["month"]}` | `{"type":"subscription","plans":[{"free":false,"name":"Essentials","description":"Single database deployment for development and smaller applications","contactSales":false},{"free":false,"name":"Pro","description":"Unlimited databases across any environments with enterprise features","contactSales":false}],"addOns":[{"name":"Redis Flex"}],"currency":"USD","freeTier":true,"sourceUrl":"https://redis.io/pricing/calculator/","retrievedAt":"2026-08-14T21:31:12.969Z","billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | low |
| pricing.transparent | yes | no |
| release.cadence_days | - | 45 |
| release.history | - | `[{"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/redis/redis/releases/tag/6.2.23","date":"2026-07-23T17:52:11Z","type":"stable","version":"6.2.23"},{"url":"https://github.com/redis/redis/releases/tag/8.10-rc2","date":"2026-07-20T18:23:28Z","type":"prerelease","version":"8.10-rc2"},{"url":"https://github.com/redis/redis/releases/tag/8.10-rc1","date":"2026-07-20T15:10:45Z","type":"prerelease","version":"8.10-rc1"},{"url":"https://github.com/redis/redis/releases/tag/8.6.4","date":"2026-06-04T16:36:44Z","type":"stable","version":"8.6.4"},{"url":"https://github.com/redis/redis/releases/tag/8.4.4","date":"2026-06-04T16:35:27Z","type":"stable","version":"8.4.4"}]` |
| reliability.sla_pct | 99.99 | - |
| reliability.status_page | yes | yes |
| security.disclosure_policy | yes | yes |
| security.fedramp | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | yes |
| security.iso27001 | - | yes |
| security.pci | yes | yes |
| security.scorecard | - | 6.8 |
| security.soc2 | - | yes |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=redisex&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Key-Value Stores)

| Capability | Amazon ElastiCache | Redis |
|---|:--:|:--:|
| **Storage** |  |  |
| Storage tier | In-memory | In-memory |
| Persistence | Snapshot (RDB) | Append-only log |
| 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 | Managed |
| **Licensing** |  |  |
| Licence class | Source-available | Source-available |
| **Compatibility** |  |  |
| Redis API compatibility | Full | Full |

*Source: Vioscale. Generated 2026-09-01T16:44:32.506Z. "-" = undocumented, not absent.*