Redis
In-memory data store for caching, queues and real-time apps
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Redis is an in-memory data store for caching, queues, real-time apps and vector search.
- for
- Developers building fast, scalable back-ends and AI-enabled applications.
- pricing
- freemium · free trial
Key features
- In-memory key-value store — Provides sub-millisecond latency for caching and queueing workloads.
- Vector search engine — Retrieves relevant data from structured and unstructured sources using Redis-powered vector indexes.
- Multi-region active-active replication — Delivers local-speed reads and zero-downtime failover across regions.
- Tiered RAM + Flash storage (Flex) — Scales to terabytes while reducing cost up to 80 % compared to pure RAM.
- Enterprise security features — Includes SAML SSO, RBAC, encryption in transit and at rest.
- Open-source core (Redis 8) — Download and run the free open-source version on-premises or in any cloud.
Use cases
- Cache frequently accessed data to accelerate web APIs.
- Implement real-time leaderboards and gaming scoreboards.
- Store and retrieve vector embeddings for AI agents.
- Build reliable message queues for microservice communication.
- Provide low-latency session storage for high-traffic apps.
Redis pricing
- Free$030 MB single DB · Best-effort SLA · Community support
- Essentials$0.007/hour/hour250 MB-100 GB RAM & SSD · SAML SSO, RBAC, encryption · Up to 99.99 % uptime
- Pro$0.014/hour/hourUnlimited RAM, multiple DBs · Active-active multi-region · Up to 99.999 % uptime
Redis vs alternatives
 Redis |  Dragonfly DB |  Valkey |  Upstash | |
|---|---|---|---|---|
| Best for | In-memory caching and real-time vector search | Redis-compatible high-performance cache | Open-source Redis-compatible store | Serverless Redis with pay-per-use |
| Pricing | Freemium | Free | Free | Subscription |
| DevHunt upvotes | 0 | 0 | 0 | 0 |
| Launched | — | — | — | — |
- Redis vs Dragonfly DB: Dragonfly DB is a Redis-compatible store focused on high-performance in-memory workloads, but does not include the vector search features of Redis Enterprise.
- Redis vs Valkey: Valkey is an open-source fork of Redis offering core key-value capabilities without the enterprise features like active-active replication or Flex storage.
- Redis vs Upstash: Upstash provides serverless Redis with built-in vector and queue capabilities, targeting pay-as-you-go usage rather than dedicated enterprise deployments.
Redis FAQ
What is Redis Context Retriever?+
It is a vector-search capability that instantly finds the most relevant data from your datasets so AI models receive accurate context.
Can I run Redis on my own infrastructure?+
Yes, you can download Redis 8 and deploy it on-premises or in any cloud environment.
What uptime guarantees does Redis offer?+
The Free tier provides best-effort SLA, Essentials up to 99.99 % uptime, and Pro up to 99.999 % uptime.
How does the Flex pricing work?+
Flex lets you store most data on cheaper flash storage while keeping a fraction in RAM, reducing cost up to 80 % for TB-scale workloads.
Is there a free tier for trying Redis?+
Yes, the Free plan includes 30 MB of storage and can be used without charge.
Summarized by DevHunt from redis.io · Oct 1, 2026. Details may change; check the official site.
About this listing
DevHunt lists Redis because developers expect to find it next to the tools in its category. It did not launch on DevHunt. Work on Redis? Message us to claim this listing.
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