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KeyDB vs Garnet(2026)

KeyDB is better for teams that need full redis compatibility. Garnet is the stronger choice if microsoft research backing. KeyDB is open-source (from $0) and Garnet is open-source (from $0).

Full feature breakdown, pricing details, and pros & cons below.

By Bikram Nath

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KeyDB logo

KeyDB

open-source

KeyDB is a high-performance, multi-threaded fork of Redis with active-active replication and FLASH storage support — offering significant performance gains with full Redis API compatibility.

Starting at $0

Visit KeyDB
Garnet logo

Garnet

open-source

Garnet is Microsoft Research's open-source, Redis-compatible cache store built for cloud and edge workloads — with exceptional throughput, low latency, and strong consistency options.

Starting at $0

Visit Garnet

How Do KeyDB and Garnet Compare on Features?

FeatureKeyDBGarnet
Pricing modelopen-sourceopen-source
Starting price$0$0
Multi-threaded✓—
Active-active replication✓—
FLASH storage support✓—
Full Redis API✓—
Sub-millisecond latency✓—
Modules support✓—
ACL support✓—
Redis API compatible—✓
RESP3 protocol—✓
Cluster mode—✓
Strong/eventual consistency—✓
Pub/sub—✓
Scripting—✓
C# native—✓

KeyDB Pros and Cons vs Garnet

K

KeyDB

+Full Redis compatibility
+Active-active replication
+Better CPU utilization than Redis
+FLASH for cheaper large datasets
−Smaller community than Redis
−Snapshotting less mature
−Acquired by Snap (maintenance questions)
G

Garnet

+Microsoft Research backing
+Excellent benchmark numbers
+Redis compatible
+Strong consistency options
−Very new (2024)
−C# codebase (unfamiliar for most)
−Tiny community
−No managed cloud yet

Should You Use KeyDB or Garnet?

For most teams, KeyDB is the better default: it offers full redis compatibility and is open-source (from $0). Choose Garnet instead if microsoft research backing matters more than smaller community than redis. There is no universal winner — the right pick depends on your budget, team size, and whether you value full redis compatibility or microsoft research backing more.

Choose KeyDB if…

  • •Full Redis compatibility
  • •Active-active replication
  • •Better CPU utilization than Redis

Choose Garnet if…

  • •Microsoft Research backing
  • •Excellent benchmark numbers
  • •Redis compatible

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