Syft vs Trivy

Syft and Trivy are both free, open-source, Go-based command-line tools from the container security ecosystem, but they differ in scope: Syft, sponsored by…

Best for Syft: Syft fits teams that want a dedicated, best-in-class SBOM generator. It reads package data from Debian and Alpine images, RPM-based systems, and codebases written in Go, Java, JavaScript, Python, Ruby, Rust, PHP, or .NET, then exports SBOMs to CycloneDX, SPDX, or Syft's own JSON format — built to pair with Grype for vulnerability scanning.
Best for Trivy: Trivy fits teams that want a single all-in-one scanner covering vulnerability scanning, misconfiguration detection, secret scanning, SBOM generation, and Kubernetes cluster scanning without needing to combine multiple separate tools.

At a Glance

 SyftTrivy
Primary categorySecuritySecurity
RatingNot documentedNot documented
Pricing modelFreeopen-source
Starting priceNot documentedFree
Free planYesYes
Free trialNot documentedNot documented
PlatformsNot documentedNot documented
Team collaborationNot documentedNot documented
AI featuresNot documentedNot documented
Public APINot documentedNot documented

Key Differences

Scope of Functionality

Syft: Syft is purpose-built for one job: SBOM generation from container images, filesystems, and archives, plus format conversion between standards.

Trivy: Trivy is an all-in-one scanner combining vulnerability scanning, misconfiguration detection, secret scanning, SBOM generation, and license checking, plus Kubernetes cluster scanning.

A focused single-purpose tool can go deeper on that one function, while an all-in-one tool reduces the number of separate tools a pipeline needs to integrate.

SBOM Format Support

Syft: Syft exports SBOMs in CycloneDX, SPDX, and its own Syft JSON format, can convert between those supported standards, and is able to produce cryptographically signed SBOM attestations built on the in-toto spec.

Trivy: Trivy's SBOM generation feature produces a Software Bill of Materials for container images and file systems, without documented format-conversion or signed-attestation capabilities.

Format conversion and signed attestations matter for organizations with specific downstream SBOM consumption or supply-chain verification requirements.

Vulnerability Scanning

Syft: Syft does not scan for vulnerabilities itself; it is designed to pair directly with Grype, a separate Anchore tool, for that function.

Trivy: Trivy includes native Vulnerability scanning that detects known CVEs in OS packages and application dependencies as a built-in feature.

Needing a second tool (Grype) to get vulnerability detection adds a setup step compared to Trivy's built-in scanning.

Kubernetes & Misconfiguration Coverage

Syft: Syft's documented features do not include Kubernetes cluster scanning or Infrastructure as Code misconfiguration detection.

Trivy: Trivy includes Kubernetes scanning (assessing running clusters for vulnerabilities and misconfigurations) and Misconfiguration detection for Infrastructure as Code files.

Runtime Kubernetes and IaC misconfiguration coverage extends security scanning beyond just software components.

Image Format Support

Syft: Image support for Syft spans OCI, Docker, and Singularity formats.

Trivy: Trivy integrates with Docker, GitLab, Azure Container Registry, and Harbor for scanning.

Support for specific image formats and registries determines how easily a tool fits into an existing container pipeline.

Feature-by-Feature

SBOM Capabilities

FeatureSyftTrivy
SBOM generationAvailableAvailable
CycloneDX/SPDX exportAvailableNot documented
SBOM format conversionAvailableUnavailable
Signed SBOM attestationsAvailableUnavailable

Scanning Capabilities

FeatureSyftTrivy
Vulnerability (CVE) scanningUnavailableAvailable
Secret scanningUnavailableAvailable
IaC misconfiguration detectionUnavailableAvailable
Kubernetes cluster scanningUnavailableAvailable

Licensing & Ecosystem

FeatureSyftTrivy
Free and open sourceAvailableAvailable
License risk checkingUnavailableAvailable
Package ecosystem breadthAvailableNot documented

Pricing Compared

Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.

Syft

Open Source — Free

Trivy

Trivy Open Source — Free N/A
Aqua Platform (commercial) — Custom pricing Annual contract

Pros & Cons

Syft

Pros

  • Free and open source under Apache-2.0
  • Wide package ecosystem coverage across OS and language-specific dependencies
  • Supports industry-standard SBOM formats, including CycloneDX and SPDX
  • Designed to pair directly with Grype for vulnerability scanning
  • Multiple install options, including Homebrew, Docker, Scoop, Chocolatey, and Nix

Cons

  • Command-line tool without a built-in graphical interface
  • Best used alongside a separate scanner such as Grype for vulnerability detection, adding a setup step
  • No official managed or hosted service documented

Trivy

Pros

  • Completely free and open source under Apache 2.0 with no feature gating
  • Single static binary with no external dependencies, simple to install and run
  • Broad scanning coverage spanning five target types and four scanner engines in one tool
  • Low false-positive rate, including on historically difficult distributions like Alpine and RHEL
  • Backed by Aqua Security with active, well-funded maintenance and a large contributor base

Cons

  • Centralized dashboards, reporting, and runtime protection require the separate paid Aqua Platform
  • Can require tuning to reduce noise in very large monorepos or legacy codebases
  • No built-in remediation workflow beyond CLI and CI output
  • Kubernetes-native features add complexity for teams not already running container orchestration

Use Cases

Choose Syft: Syft fits teams that want a dedicated, best-in-class SBOM generator. It reads package data from Debian and Alpine images, RPM-based systems, and codebases written in Go, Java, JavaScript, Python, Ruby, Rust, PHP, or .NET, then exports SBOMs to CycloneDX, SPDX, or Syft's own JSON format — built to pair with Grype for vulnerability scanning.
Choose Trivy: Trivy fits teams that want a single all-in-one scanner covering vulnerability scanning, misconfiguration detection, secret scanning, SBOM generation, and Kubernetes cluster scanning without needing to combine multiple separate tools.
Need both: A platform engineering team already using Trivy for day-to-day vulnerability and misconfiguration scanning might still reach for Syft specifically when they need the most detailed SBOM with signed in-toto attestations or need to convert between SBOM formats — a task Syft documents explicitly and Trivy does not detail to the same degree.

Syft

  • Software supply chain inventory — Organizations generate SBOMs with Syft to document dependencies across container images and codebases.
  • SBOM generation for vulnerability scanning — Teams generate SBOMs with Syft and scan them with Grype to identify vulnerable dependencies.
  • SBOM format conversion — Teams convert SBOMs between CycloneDX and SPDX formats using Syft to satisfy different downstream tooling requirements.

Trivy

  • DevSecOps CI/CD scanning — Embedding vulnerability and misconfiguration checks directly into build pipelines before code or images ship.
  • Container image security — Scanning container images for OS and application vulnerabilities before deployment to production.
  • Cloud infrastructure-as-code audits — Detecting misconfigurations in Terraform and Kubernetes manifests before infrastructure is provisioned.

Frequently Asked Questions

What's the main difference between Syft and Trivy?

Syft is a focused SBOM generator built to pair with Grype for vulnerability scanning, while Trivy is an all-in-one scanner that includes SBOM generation alongside vulnerability scanning, misconfiguration detection, secret scanning, and Kubernetes cluster scanning in a single tool.

Does Syft scan for vulnerabilities?

No, Syft is designed to generate SBOMs that Grype, a separate Anchore tool, can then scan for vulnerabilities. Trivy, by contrast, includes native vulnerability scanning as a built-in feature.

Are Syft and Trivy both free?

Yes — both ship under the Apache 2.0 open-source license at no cost, and neither tool documents any paid tier.

Which tool supports more SBOM formats?

Syft documents export to CycloneDX, SPDX, and its own Syft JSON format, plus format conversion between standards and signed in-toto attestations. Trivy's SBOM generation is documented as producing an SBOM for images and file systems without the same level of documented format-conversion detail.

Can Trivy scan Kubernetes clusters?

Yes, Trivy's Kubernetes scanning feature assesses running Kubernetes clusters for vulnerabilities and misconfigurations. Syft's documented features do not include Kubernetes cluster scanning.

Who maintains Syft and Trivy?

Syft is sponsored by Anchore and written in Go. Trivy is developed by Aqua Security Software Ltd. and also written in Go.

Read the full Syft review · Read the full Trivy review