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Web Development · head to head

Rollup vs Valkey

Rollup logo

Rollup

Web Development

JavaScript module bundler built for libraries

From
Free
Rated
-
Full reviewWebsite
Valkey logo

Valkey

Databases

Open-source in-memory data store forked from Redis

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Rollup slower than the Go and Rust bundlers that followed it, since it is written in JavaScript; Valkey younger project, so its track record is short even though the codebase is not
  • They diverge on capability: Rollup covers Tree shaking, Valkey covers Redis-compatible.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Rollup and Valkey actually diverge.

Attributes where Rollup and Valkey differ
AttributeRollupValkey
Pricing modelOpen source, no licence feeOpen source, no licence fee; managed cloud billed separately
PlatformsLinux, macOS, WindowsLinux, macOS, Docker, Self-hosted
CategoryWeb DevelopmentDatabases

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Rollup

  • Tree shaking
  • Clean output
  • Multiple output formats
  • Plugin API

Only in Valkey

  • Redis-compatible
  • BSD licensed
  • Rich data structures
  • Replication and persistence

What people use each for

The jobs each tool is most often brought in to do.

Rollup

  • Publishing a JavaScript library in several module formatsnot Valkey
  • Builds where output size and cleanliness matter more than build speednot Valkey
  • Producing ES module output for consumers who will bundle it themselvesnot Valkey

Valkey

  • Continuing on a permissively licensed in-memory store after the Redis licence changenot Rollup
  • Caching and session storage where a foundation-governed project is a procurement requirementnot Rollup
  • Migrating from Redis without rewriting application codenot Rollup

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Rollup

  • Slower than the Go and Rust bundlers that followed it, since it is written in JavaScript
  • Application concerns like dev servers and hot reloading are not its job, so app builds need Vite on top
  • Configuration for non-trivial applications gets verbose compared with tools that assume more

Valkey

  • Younger project, so its track record is short even though the codebase is not
  • Divergence from Redis grows over time, so compatibility is strongest near the fork point and weakens as both evolve
  • Ecosystem tooling and documentation still frequently assume Redis, leaving translation work

Pricing, plan by plan

Rollup

Free
  • RollupFree
    • Full functionality
    • Commercial use permitted
    • Community support

Valkey

Free
  • ValkeyFree
    • Full functionality
    • Self-hosted
    • No usage limits

Which should you pick?

Choose Rollup if

  • You need tree shaking.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want clean output.
Rollup review

Choose Valkey if

  • You need redis-compatible.
  • You want to start without paying.
  • You work on Linux, macOS, Docker, Self-hosted.
  • You also want bsd licensed.
Valkey review

Questions people ask

Is Rollup or Valkey better?
Neither clearly leads. Rollup starts at Free and Valkey at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Rollup or Valkey?
Rollup starts at Free and Valkey at Free.
Does Rollup or Valkey run on more platforms?
Rollup runs on Linux, macOS, Windows. Valkey runs on Linux, macOS, Docker, Self-hosted.
Can I use Rollup for free?
Both have a free tier, so you can try either at no cost before committing.
What is Rollup best used for?
Rollup is most often used for publishing a javascript library in several module formats, builds where output size and cleanliness matter more than build speed, producing es module output for consumers who will bundle it themselves. Of those, publishing a javascript library in several module formats and builds where output size and cleanliness matter more than build speed are not what Valkey is typically brought in for.
What can Rollup do that Valkey cannot?
Rollup covers Tree shaking, Clean output, Multiple output formats, Plugin API. Valkey covers Redis-compatible, BSD licensed, Rich data structures, Replication and persistence.

Answered from the vendors’ own pages

Rollup: Is Rollup free?

Yes, open source under the MIT licence.

Valkey: Is Valkey free?

Yes, BSD-licensed open source under the Linux Foundation.

Rollup: Rollup or webpack?

Rollup is the usual choice for libraries thanks to cleaner output and better tree shaking. webpack remains stronger for complex applications with heavy asset handling.

Valkey: Why does Valkey exist?

Redis changed its licence away from BSD in 2024. Valkey is the community fork continuing under permissive terms, backed by AWS, Google Cloud and Oracle among others.

Rollup: Do I need Rollup if I use Vite?

Not directly. Vite uses Rollup for production builds, so you already benefit from it.

Valkey: Can I switch from Redis to Valkey?

At the fork point it is drop-in compatible with existing clients and data. The further both projects move from that point, the more you should verify the specific features you use.

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