Redis
Serve your agents fresh data at Redis speed
- Vendor
- Redis Ltd.
- Also known as
- redis-db
Available worldwide · Popular in: US
What is Redis?
Redis is a real-time data platform providing in-memory caching with sub-millisecond latency, streaming, session management, search, and ML feature stores.
Redis pricing
Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.
From $0.007/hour. Free tier with 30 MB.
Free
Free30 MB single database on shared cloud deployment
- storage
- 30 MB
- databases
- 1
- Shared cloud deployment
- Best-effort SLA
- Community support
Essentials
250 MB - 100 GB shared cloud deployment
- storage
- 250 MB - 100 GB
- Single database
- SAML SSO, RBAC
- Encryption in transit and at rest
- Up to 99.99% uptime
- Basic support
Pro
Dedicated cloud deployment with unlimited resources
- Dedicated deployment
- Unlimited RAM, multiple databases
- Active-active multi-region
- Private connectivity
- Up to 99.999% uptime
- Redis Data Integration (RDI)
Add-ons
- Redis Flex
What Redis does
The capabilities that matter for key-value stores, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Storage tier
- In-memory
- Persistence
- Fully durable
- Data structures
- Rich types
- Wire protocol
- -
- Clustering
- -
- Consistency
- -
- Eviction / TTL policies
- -
- Multi-threaded
- -
- Pub/Sub / streams
- ✓
- Transactions / atomic ops
- -
- Deployment
- Managed
- Licence class
- Permissive OSS
- Redis API compatibility
- Full
Platform & deployment
Independently observed- CLI
- Web
- Cloud / SaaS
- On-premise
- Self-hosted
Redis FAQ
Common questions about Redis, answered from independent, dated evidence.
What is Redis and what is it primarily used for?
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
Is Redis open-source or commercial?
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
What programming languages and platforms does Redis support?
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
What data types does Redis support?
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.
How can you deploy Redis?
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
What is the pricing model for Redis Cloud?
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/
What are common alternatives to Redis?
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
Does Redis provide persistence and data reliability?
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
Redis alternatives
Other key-value stores we track, ranked by the same independent score.
- MemcachedFree & open source, high-performance, distributed memory object caching systemlow · 11%
- RocksDBA persistent key-value store for fast storage environmentslow · 17%
- DragonflyDBAn In-Memory Data Store without Limitslow · 36%
- UpstashServerless Data Platform for Redis, Vector, QStash, Workflow, Boxmedium · 63%
- Amazon ElastiCacheValkey-, Memcached-, and Redis OSS-Compatible Cachelow · 8%
- etcdA distributed, reliable key-value store for the most critical data of a distributed systemlow · 18%
The Vioscale score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Redis, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Github Activity | 67 | 0.16 | 10.7 | ✓ |
| Pricing Transparency | 100 | 0.08 | 8.0 | ✓ |
| Stackoverflow Activity | 79 | 0.10 | 7.9 | ✓ |
| Release Cadence | 75 | 0.10 | 7.5 | ✓ |
| Security Posture | 40 | 0.16 | 6.4 | ✓ |
| Github Stars | 91 | 0.05 | 4.5 | ✓ |
| Reliability | 0 | 0.05 | 0.0 | - |
| Docs Quality | 0 | 0.06 | 0.0 | - |
| Integrations | 0 | 0.08 | 0.0 | - |
| Package Downloads | 0 | 0.16 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 59 | mediumsource · 2026-08-01 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| 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}] | highsource · 2026-07-30 · 92% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | {"deployment":"managed","persistence":"durable","storage_tier":"in_memory","licence_class":"permissive","pubsub_streams":true,"data_structures":"rich_types","redis_api_compat":"full"} | mediumsource · 2026-08-01 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | C | highsource · 2026-08-01 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | RSALv2 | highsource · 2026-07-30 · 85% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | {"source":"https://redis.io","hqCountry":"US","confidence":0.95,"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]} | highsource · 2026-07-30 · 95% |
Pricing
Release
| Attribute | Value | Evidence |
|---|---|---|
| Cadence days | 45 | mediumsource · 2026-07-30 · 70% |
Reliability
| Attribute | Value | Evidence |
|---|---|---|
| Status page | Yes | mediumsource · 2026-08-01 · 60% |