Updated May 13, 2026 · Independent Analysis
Only in Redis
- ✦ In-Memory Storage
- ✦ Persistent Storage (RDB/AOF)
- ✦ Pub/Sub Messaging
✓ Free planFrom $7/mo10M+ users · est. 2009
Only in TiDB
- ✦ HTAP (Hybrid Transactional/Analytical)
- ✦ MySQL Wire Protocol
- ✦ Horizontal Scaling
✓ Free plan3k+ users · est. 2015
Pricing Intelligence

Redis Plans
Free tier available
- • Full Redis
- • RSAL license
- • Community support
Redis CloudBest Value
$7/mo- • Managed Redis
- • Free 30MB tier
- • 99.999% SLA
Full Redis Pricing Breakdown →
TiDB Plans
Free tier available
- • 5 GiB storage free
- • MySQL compatible
- • Auto-scale
- • From $0.016/hr
- • Dedicated cluster
- • Enterprise features
- • On-prem + cloud
- • SLA
- • Professional services
Full TiDB Pricing Breakdown →Feature Matrix
6 differences found across 10 standardized features
Pros & Cons Face-Off
Evaluative strengths and weaknesses — not feature lists
Pros
- +Sub-millisecond latency — fastest data store for caching
- +Universal — supported by every framework and language
- +Rich data structures for real-time use cases
- +Redis Stack adds search, JSON, and vector capabilities
Cons
- −License changed to RSAL — Valkey is the open-source BSD fork
- −In-memory storage makes large datasets expensive
Pros
- +HTAP eliminates separate analytics warehouse for many use cases
- +MySQL compatibility reduces migration complexity
- +Strong horizontal scaling for high-write workloads
- +Free serverless tier for development
Cons
- −Less known in Western markets than CockroachDB
- −TiFlash analytical performance doesn't match dedicated warehouses
At a Glance
Starting Price$7/movsFree tier
Feature Count16 featuresvs16 features
Frequently Asked Questions