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APIs · head to head

Bruno vs Chainguard

Bruno logo

Bruno

APIs

Open-source IDE for API exploration with git-friendly collections

From
Free
Rated
-
Full reviewWebsite
Chainguard logo

Chainguard

Cybersecurity

Secure-by-default open source software with hardened container images and libraries

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Bruno native Git integration, the feature that distinguishes it from cloud API clients, is Pro only at $6 per user per month; Chainguard containers Catalog at 19,000 USD/year expensive for teams under 10 people
  • They diverge on capability: Bruno covers API Testing, Chainguard covers Hardened container images.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Bruno and Chainguard actually diverge.

Attributes where Bruno and Chainguard differ
AttributeBrunoChainguard
Pricing modelfreemiumLicensing by artifact type and team size
PlatformsWindows, MacOS, LinuxCloud, Container, VM
CategoryAPIsCybersecurity
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 Bruno

  • API Testing
  • Environment management
  • Git-friendly storage
  • GitHub
  • Git repositories
  • Local file system
  • Windows support
  • MacOS support

Only in Chainguard

  • Hardened container images
  • CVE remediation SLA
  • SLSA L2/L3 builds
  • Sigstore signatures
  • SBOM generation
  • Language libraries
  • VM images
  • Artifact scanning

What people use each for

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

Bruno

  • Sending and testing HTTP requests from a local clientnot Chainguard
  • Keeping API collections in Git rather than a vendor cloudnot Chainguard
  • Offline API development without an accountnot Chainguard
  • Importing and syncing OpenAPI specificationsnot Chainguard

Chainguard

  • Deploying hardened container images with minimal attack surfacenot Bruno
  • Meeting supply chain security requirements for regulated industriesnot Bruno
  • Reducing CVE exposure with contractual remediation guaranteesnot Bruno
  • Building secure language packages with automatic backportsnot Bruno
  • Verifying artifact provenance with Sigstore signaturesnot Bruno

Where each one falls short

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

Bruno

  • Native Git integration, the feature that distinguishes it from cloud API clients, is Pro only at $6 per user per month
  • OpenAPI syncs are capped at 5 a month on the free tier
  • SSO, SCIM and user management require Ultimate at $11 per user per month
  • Private workspaces are a paid feature
  • Advertised prices are annual rates

Chainguard

  • Containers Catalog at 19,000 USD/year expensive for teams under 10 people
  • Per-image pricing for containers requires custom quotes with no transparency
  • Free tier limited to 5 container images for testing
  • Libraries pricing by ecosystem and developer count lacks transparent per-developer cost
  • VM image catalog pricing opacity makes cost estimation difficult

Pricing, plan by plan

Bruno

Free
  • Open SourceFree
    • Core API Client
    • Limited Git integration
    • 2 Workspaces
  • Pro$6/month
    • Core API Client
    • Native Git integration
    • Unlimited Workspaces
  • Ultimate$11/month
    • Core API Client
    • Full Git integration
    • Unlimited Workspaces

Chainguard

Free
  • Free TierFree
    • Five container images to test and deploy
  • Containers Per-Image$undefined/custom
    • Licensed by quantity and type
    • Base images, application images, AI/ML images, FIPS variants
    • Custom pricing per image
  • Containers Catalog$19000/year
    • For 10-person engineering teams
    • 2,000+ container images
    • Contractual CVE remediation SLAs
  • Libraries Licensing$undefined/custom
    • Licensed by ecosystem (Python, Java, JavaScript)
    • Licensed by developer count
    • Unlimited pulls with no metering

Which should you pick?

Choose Bruno if

  • You need api testing.
  • You want to start without paying.
  • You work on Windows, MacOS, Linux.
  • You also want environment management.
Bruno review

Choose Chainguard if

  • You need hardened container images.
  • You want to start without paying.
  • You work on Cloud, Container, VM.
  • You also want cve remediation sla.
Chainguard review

Questions people ask

Is Bruno or Chainguard better?
Neither clearly leads. Bruno starts at Free and Chainguard at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Bruno or Chainguard?
Bruno starts at Free and Chainguard at Free.
Does Bruno or Chainguard run on more platforms?
Bruno runs on Windows, MacOS, Linux. Chainguard runs on Cloud, Container, VM.
Can I use Bruno for free?
Both have a free tier, so you can try either at no cost before committing.
What is Bruno best used for?
Bruno is most often used for sending and testing http requests from a local client, keeping api collections in git rather than a vendor cloud, offline api development without an account, importing and syncing openapi specifications. Of those, sending and testing http requests from a local client and keeping api collections in git rather than a vendor cloud are not what Chainguard is typically brought in for.
What can Bruno do that Chainguard cannot?
Bruno covers API Testing, Environment management, Git-friendly storage, GitHub. Chainguard covers Hardened container images, CVE remediation SLA, SLSA L2/L3 builds, Sigstore signatures.

Answered from the vendors’ own pages

Bruno: What is included in Bruno's free tier?

The Open Source plan includes the core API client, limited Git integration, and up to 2 workspaces at no cost. A 14-day free trial of the Ultimate plan is also available without requiring a credit card.

Source
Chainguard: How much is the Chainguard Containers Catalog?

The Containers Catalog is 19,000 USD per year for 10-person engineering teams, providing access to 2,000+ hardened container images.

Source
Bruno: What is the difference between Bruno Pro and Ultimate plans?

Pro ($6/month) includes native Git integration and unlimited workspaces. Ultimate ($11/month) adds SSO/SCIM support, audit logs, 24-hour support (vs. 48-hour), and an account manager. Ultimate supports unlimited OpenAPI syncs while Pro is limited to 5 per month.

Source
Chainguard: What SLAs does Chainguard offer?

Chainguard provides contractual CVE remediation SLAs: 7 days for critical vulnerabilities, 14 days for high/medium/low severity, all with priority support.

Source
Bruno: How much does Bruno Pro save compared to other API tools?

The vendor claims Ultimate saves teams more than 70% versus Postman, though this comparison is promotional rather than a specific cost metric.

Source
Chainguard: Can I try Chainguard before purchasing?

Yes. The free tier includes five container images for testing and deployment, allowing hands-on evaluation.

Source
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