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Databases · head to head

Dragonfly vs ESLint

Dragonfly logo

Dragonfly

Databases

High-performance Redis-compatible in-memory datastore with 25x better throughput

From
Free
Free plan
Yes
Visit DragonflyFull review
ESLint logo

ESLint

Developer Tools

Find and fix problems in JavaScript code

From
Free
Free plan
Yes
Visit ESLintFull review

The short version

  • Dragonfly is a modern in-memory data store.
  • ESLint is free; Dragonfly starts at $2000/mo.
  • Where Dragonfly falls short: flex tier starting at $36/month may be underpriced, requiring careful usage monitoring.
  • Where ESLint falls short: slow performance on large codebases compared to newer tools like Oxlint and Biome.
  • Prices and features on this page were last checked on 29 August 2026.

Where they differ

Only the attributes on which Dragonfly and ESLint actually diverge.

Attributes where Dragonfly and ESLint differ
AttributeDragonflyESLint
PlatformsWeb, AWS, GCP, AzureAPI
CategoryDatabasesDeveloper Tools

Identical on both: starting price (Free), free tier (Yes).

Not yet recorded: pricing model for ESLint, founded for Dragonfly.

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 Dragonfly

  • Redis API compatibility
  • Thread-per-core architecture
  • High-performance caching
  • Memory efficiency
  • Real-time leaderboards
  • Message queue support
  • ML feature serving
  • Cloud deployment

Only in ESLint

Nothing recorded that Dragonfly does not also cover.

What people use each for

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

Dragonfly

  • High-throughput caching for web applicationsnot ESLint
  • Real-time leaderboards and rankingsnot ESLint
  • Message queue and event processingnot ESLint
  • ML model feature serving at millisecond latenciesnot ESLint
  • Gaming session state and player data storagenot ESLint

ESLint

  • Statically analysing JavaScript and JSX to find problems before runtimenot Dragonfly
  • Automatically fixing issues with syntax-aware rewritesnot Dragonfly
  • Enforcing a consistent code style across a teamnot Dragonfly
  • Running as a CI step to block non-conforming codenot Dragonfly
  • Writing custom rules for project-specific conventionsnot Dragonfly

Where each one falls short

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

Dragonfly

  • Flex tier starting at $36/month may be underpriced, requiring careful usage monitoring
  • Business tier $2,000/month represents significant jump in cost
  • Limited to in-memory storage, not suitable for cold data or archival
  • Bring-your-own-cloud requirement on Business tier adds operational complexity
  • Cloud availability dependent on AWS/GCP/Azure uptime

ESLint

  • Slow performance on large codebases compared to newer tools like Oxlint and Biome
  • Complexity in configuration from scratch, particularly for TypeScript support
  • Limited built-in TypeScript support, requiring separate parsers and coordination with new TypeScript features

Pricing, plan by plan

Dragonfly

Free
  • Free TierFree
    • 100 cloud credits for new signups
    • Equivalent to free trial
  • Business$2,000/mo
    • Starting price for enterprise offering
    • Bring-your-own-cloud deployment
    • Auto-scaling with custom SLAs
  • EnterpriseOn request
    • Custom pricing
    • Any-cloud deployment
    • Custom instances and sizing

ESLint

Free

No published plan breakdown. See the ESLint review.

Which should you pick?

Choose Dragonfly if

  • You need redis api compatibility.
  • You want to start without paying.
  • You work on Web, AWS, GCP, Azure.
  • You also want thread-per-core architecture.
Dragonfly review

Choose ESLint if

  • You want to start without paying.
  • You work on API.
ESLint review

Questions people ask

Is Dragonfly or ESLint better?
Neither clearly leads. Dragonfly starts at Free and ESLint at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Dragonfly or ESLint?
Dragonfly starts at Free and ESLint at Free.
Does Dragonfly or ESLint run on more platforms?
Dragonfly runs on Web, AWS, GCP, Azure. ESLint runs on API.
Can I use Dragonfly for free?
Both have a free tier, so you can try either at no cost before committing.
What is Dragonfly best used for?
Dragonfly is most often used for high-throughput caching for web applications, real-time leaderboards and rankings, message queue and event processing, ml model feature serving at millisecond latencies. Of those, high-throughput caching for web applications and real-time leaderboards and rankings are not what ESLint is typically brought in for.
What can Dragonfly do that ESLint cannot?
Dragonfly covers Redis API compatibility, Thread-per-core architecture, High-performance caching, Memory efficiency.

Answered from the vendors’ own pages

Dragonfly: How much faster is Dragonfly than Redis?

Dragonfly achieves 3.97M queries per second compared to Redis's 718K QPS, representing a 25x improvement. Memory efficiency is also 30% better.

Source
ESLint: Does ESLint automatically fix code issues?

Many problems ESLint finds can be automatically fixed via the --fix flag. ESLint fixes are syntax-aware so you won't experience errors introduced by traditional find-and-replace algorithms.

Source
Dragonfly: Can I migrate from Redis to Dragonfly without code changes?

Yes. Dragonfly maintains full API compatibility with Redis and Memcached, allowing drop-in replacement with minimal to no code modifications.

Source
ESLint: How much does ESLint cost?

ESLint is completely free and open-source software maintained by the OpenJS Foundation. The project accepts voluntary donations from sponsors.

Source
ESLint: Can I write custom ESLint rules?

Yes. You can develop custom rules that work alongside built-in functionality through ESLint's plugin system, allowing complete customization for your project needs.

Source
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