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Cybersecurity · head to head

Aikido vs Nixpacks

Aikido logo

Aikido

Cybersecurity

Unified security platform automating vulnerability detection and fixing across development

From
Free
Free plan
Yes
Full reviewWebsite
Nixpacks logo

Nixpacks

Developer Tools

Build system that turns a source directory into an OCI image, now in maintenance mode

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Aikido free plan includes fair-usage limits on repos and container images; Nixpacks the project is in maintenance mode with no commits on the default branch since May 2026 and no release since October 2025, so support for new language versions arrives only if someone forks it.
  • They diverge on capability: Aikido covers Static Application Security Testing (SAST), Nixpacks covers Automatic language detection.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Aikido and Nixpacks actually diverge.

Attributes where Aikido and Nixpacks differ
AttributeAikidoNixpacks
Pricing modelSubscription with free tierOpen source, no licence fee
PlatformsWeb, CI/CD, IDELinux, macOS, CLI, Docker
CategoryCybersecurityDeveloper Tools
Founded2022Unknown

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 Aikido

  • Static Application Security Testing (SAST)
  • Software Composition Analysis (SCA)
  • AutoFix
  • Secrets detection
  • Cloud Security Posture Management
  • AI-powered penetration testing
  • Device protection
  • False positive reduction

Only in Nixpacks

  • Automatic language detection
  • No Dockerfile required
  • Nix toolchains
  • Configuration escape hatches
  • Docker layer caching

What people use each for

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

Aikido

  • Developer-friendly security integrated into PR workflowsnot Nixpacks
  • Automated vulnerability remediation with context-aware alertsnot Nixpacks
  • Consolidation of fragmented security tools across development lifecyclenot Nixpacks
  • Cloud infrastructure security posture monitoringnot Nixpacks
  • Supply chain attack prevention and malware detectionnot Nixpacks

Nixpacks

  • Understanding the build behaviour of a platform that adopted Nixpacks before it was frozennot Aikido
  • Producing container images from a polyglot monorepo where nobody wants to own several Dockerfilesnot Aikido
  • Reproducing an existing Railway build locally while planning a migration to Railpacknot Aikido
  • Comparing what a Nix based builder does differently from a buildpack before choosing a successornot Aikido

Where each one falls short

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

Aikido

  • Free plan includes fair-usage limits on repos and container images
  • Pricing increases significantly with user and repository scale
  • Advanced features like penetration testing and VM scanning limited to higher tiers
  • Device protection limited to Development environments only
  • Requires multiple plan tiers for full platform coverage

Nixpacks

  • The project is in maintenance mode with no commits on the default branch since May 2026 and no release since October 2025, so support for new language versions arrives only if someone forks it.
  • Build determinism is softer than it appears, because providers pin a nixpkgs archive commit and bumping that archive silently moves compiler and runtime versions underneath a build that looks unchanged.
  • Caching is limited to Docker layers rather than a content addressed graph, so a small change early in the build invalidates everything after it, which is exactly the limitation Railpack was rewritten to fix.
  • Images carry Nix store layers and come out larger than an equivalent tuned Dockerfile or buildpack output, which costs registry storage and slows cold pulls on scale-out.
  • There is no specification, no vendor neutral governance and no third party provider ecosystem, so a single company was able to redirect strategy and leave every downstream user with a frozen build tool.

Pricing, plan by plan

Aikido

Free
  • DeveloperFree
    • Up to 2 users
    • Dependency scanning (SCA)
    • SAST and AI SAST
  • Pro$600/month
    • Up to 10 users
    • All Basic features
    • On-premise scanning
  • Advanced$600/month
    • Up to 10 users
    • All Pro features
    • Broker for internal apps
  • Enterprise$null/custom
    • Custom pricing for tailored modules
    • Dedicated account management
    • Custom SLAs

Nixpacks

Free
  • NixpacksFree
    • MIT licensed, no usage limits
    • No commercial edition and no support contract
    • In maintenance mode, superseded by Railpack

Which should you pick?

Choose Aikido if

  • You need static application security testing (sast).
  • You want to start without paying.
  • You work on Web, CI/CD, IDE.
  • You also want software composition analysis (sca).
Aikido review

Choose Nixpacks if

  • You need automatic language detection.
  • You want to start without paying.
  • You work on Linux, macOS, CLI, Docker.
  • You also want no dockerfile required.
Nixpacks review

Questions people ask

Is Aikido or Nixpacks better?
Neither clearly leads. Aikido starts at Free and Nixpacks at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Aikido or Nixpacks?
Aikido starts at Free and Nixpacks at Free.
Does Aikido or Nixpacks run on more platforms?
Aikido runs on Web, CI/CD, IDE. Nixpacks runs on Linux, macOS, CLI, Docker.
Can I use Aikido for free?
Both have a free tier, so you can try either at no cost before committing.
What is Aikido best used for?
Aikido is most often used for developer-friendly security integrated into pr workflows, automated vulnerability remediation with context-aware alerts, consolidation of fragmented security tools across development lifecycle, cloud infrastructure security posture monitoring. Of those, developer-friendly security integrated into pr workflows and automated vulnerability remediation with context-aware alerts are not what Nixpacks is typically brought in for.
What can Aikido do that Nixpacks cannot?
Aikido covers Static Application Security Testing (SAST), Software Composition Analysis (SCA), AutoFix, Secrets detection. Nixpacks covers Automatic language detection, No Dockerfile required, Nix toolchains, Configuration escape hatches.

Answered from the vendors’ own pages

Aikido: What is included in Aikido's free Developer plan?

The free Developer plan includes up to 2 users with SAST, SCA, secrets detection, cloud scanning, and license risk detection. Fair-usage limits apply: 10 repos, 2 container images, 1 domain, and 1 cloud account.

Source
Nixpacks: Should I start a new project on Nixpacks?

No. The documentation and README both say it is in maintenance mode and recommend Railpack. Choose Railpack, Cloud Native Buildpacks or a Dockerfile instead.

Aikido: What is AutoFix and how does it work?

AutoFix is Aikido's automated vulnerability remediation feature that identifies vulnerabilities and suggests or applies specific code fixes automatically, reducing manual remediation effort.

Source
Nixpacks: Will my existing Nixpacks builds stop working?

Not immediately. Pinned nixpkgs archives keep resolving, so builds continue. What you lose is support for new runtime major versions and any fix for a provider bug.

Aikido: How many false positives does Aikido reduce?

Aikido reduces false positives by 99%, using AI-powered context awareness to filter noise and focus on vulnerabilities that present real business risk.

Source
Nixpacks: What replaces it?

Railpack, also from Railway and also MIT licensed, rebuilt as a BuildKit custom frontend for finer grained caching and parallel steps.

Aikido: What integrations does Aikido support?

Aikido integrates with Jira, Linear, Slack, Teams, GitHub, GitLab, and other popular development tools to fit into existing workflows.

Source
Nixpacks: Is it still open source?

Yes, MIT, and the repository is not archived. Being open source does not help much when nobody is merging provider updates.

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