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Dragonfly vs Varnish Cache(2026)

Dragonfly is better for teams that need dramatically faster than redis. Varnish Cache is the stronger choice if extremely high throughput http caching. Dragonfly is open-source (from $0) and Varnish Cache is open-source (from $0).

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

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Dragonfly logo

Dragonfly

open-source

Dragonfly is a modern in-memory data store fully compatible with Redis and Memcached APIs, but up to 25x faster and more memory-efficient thanks to its multi-threaded, shared-nothing architecture.

Starting at $0

Visit Dragonfly
Varnish Cache logo

Varnish Cache

open-source

Varnish Cache is a high-performance HTTP accelerator used by the world's busiest websites. It caches HTTP responses in memory, offloading backends and serving millions of requests per second.

Starting at $0

Visit Varnish Cache

How Do Dragonfly and Varnish Cache Compare on Features?

FeatureDragonflyVarnish Cache
Pricing modelopen-sourceopen-source
Starting price$0$0
Redis API compatible
Multi-threaded
Up to 25x faster than Redis
Lower memory usage
Snapshots + replication
Managed cloud
Lua scripting
HTTP/HTTPS reverse proxy
VCL configuration language
Edge Side Includes (ESI)
Health checks
Grace mode
Hit-for-pass
Varnish Enterprise

Dragonfly Pros and Cons vs Varnish Cache

D

Dragonfly

+Dramatically faster than Redis
+Drop-in Redis replacement
+Less memory usage
+Open source
Newer, less battle-tested
Smaller community
Some Redis features still in progress
V

Varnish Cache

+Extremely high throughput HTTP caching
+Flexible VCL
+Battle-tested at internet scale
+Free open source
Not a general key-value store
VCL learning curve
Memory-only (no persistence)
Setup complexity

Should You Use Dragonfly or Varnish Cache?

Choose Dragonfly if…

  • Dramatically faster than Redis
  • Drop-in Redis replacement
  • Less memory usage

Choose Varnish Cache if…

  • Extremely high throughput HTTP caching
  • Flexible VCL
  • Battle-tested at internet scale

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