Flex gives you Redis performance where it matters.

By pushing the rest of your data to lower-cost flash, Redis Flex enables TB-scale datasets, single-digit millisecond latency, and up to ~80% lower cost per GB. If you’re running large-scale AI, fraud, or caching workloads, Flex is where things get practical.

• See how Flex tiers data across RAM and flash, for better memory efficiency and performance
• Learn how to choose the right 10–50% RAM ratio based on real sizing patterns and workload needs
• Walk through real-world use cases like feature stores, fraud detection, and large-scale caches/session stores
• Know when Flex is the right move and when sticking with all-RAM Redis will save you time and complexity