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Cybersecurity · head to head

Semgrep vs Unleash

Semgrep logo

Semgrep

Cybersecurity

Open-source static analysis tool for finding security bugs and enforcing code standards.

From
Free
Rated
-
Full reviewWebsite
Unleash logo

Unleash

Software Development

Open-source feature flag and experimentation service

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Semgrep free tier caps out at 10 contributors and 10 repositories.; Unleash the Pay-As-You-Go plan is priced per seat, which can get costly for larger teams.
  • They diverge on capability: Semgrep covers Static code scanning, Unleash covers Feature flags.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Semgrep and Unleash actually diverge.

Attributes where Semgrep and Unleash differ
AttributeSemgrepUnleash
Platformsweb, api, linux, mac, windowsweb, api, linux
CategoryCybersecuritySoftware Development

Identical on both: starting price (Free), pricing model (freemium), 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 Semgrep

  • Static code scanning
  • Supply chain scanning
  • Secrets detection
  • Cross-file analysis
  • AI-powered triage and remediation
  • CI/CD integration

Only in Unleash

  • Feature flags
  • A/B/n testing
  • Custom targeting
  • SDKs
  • SSO
  • Audit logs

What people use each for

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

Semgrep

  • Scanning code for security vulnerabilities in CI/CDnot Unleash
  • Detecting vulnerable open-source dependenciesnot Unleash
  • Finding hardcoded secrets before code shipsnot Unleash
  • Enforcing custom code standards with rule setsnot Unleash
  • Prioritizing findings with AI-assisted triagenot Unleash

Unleash

  • Gradual and progressive feature rolloutsnot Semgrep
  • Running A/B/n experiments tied to flagsnot Semgrep
  • Self-hosting feature management for compliance needsnot Semgrep
  • Enterprise SSO-controlled feature flag governancenot Semgrep

Where each one falls short

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

Semgrep

  • Free tier caps out at 10 contributors and 10 repositories.
  • Secrets scanning is priced as a separate module ($15/contributor) from Code and Supply Chain.
  • Self-managed repositories and custom CI/CD require the Enterprise tier.
  • AI credits are limited per tier and additional usage requires upgrading.

Unleash

  • The Pay-As-You-Go plan is priced per seat, which can get costly for larger teams.
  • Self-hosted Enterprise requires a minimum of 5 seats and an annual contract.
  • Additional API traffic beyond the included quota is billed per million requests.
  • Advanced SLAs and dedicated customer success are reserved for the custom Enterprise tier.

Pricing, plan by plan

Semgrep

Free
  • FreeFree
    • Up to 10 contributors
    • Code and Supply Chain scanning
    • 60 AI credits total
  • Teams$30/month
    • Code, Supply Chain, or Secrets scanning per contributor
    • Pro rules
    • AI-powered triage and remediation
  • Enterprise$undefined/month
    • On-prem support
    • Custom CI/CD
    • 50 AI credits per developer/month

Unleash

Free
  • Pay-As-You-Go$75/month
    • Cloud-hosted
    • 53M API requests/month included
    • Unlimited feature flags, projects and environments
  • Custom Enterprise$undefined/mo
    • Cloud, self-hosted or hybrid
    • Premium support options
    • 99.99% uptime SLA

Which should you pick?

Choose Semgrep if

  • You need static code scanning.
  • You want to start without paying.
  • You work on web, api, linux, mac, windows.
  • You also want supply chain scanning.
Semgrep review

Choose Unleash if

  • You need feature flags.
  • You want to start without paying.
  • You work on web, api, linux.
  • You also want a/b/n testing.
Unleash review

Questions people ask

Is Semgrep or Unleash better?
Neither clearly leads. Semgrep starts at Free and Unleash at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Semgrep or Unleash?
Semgrep starts at Free and Unleash at Free.
Does Semgrep or Unleash run on more platforms?
Semgrep runs on web, api, linux, mac, windows. Unleash runs on web, api, linux.
Can I use Semgrep for free?
Both have a free tier, so you can try either at no cost before committing.
What is Semgrep best used for?
Semgrep is most often used for scanning code for security vulnerabilities in ci/cd, detecting vulnerable open-source dependencies, finding hardcoded secrets before code ships, enforcing custom code standards with rule sets. Of those, scanning code for security vulnerabilities in ci/cd and detecting vulnerable open-source dependencies are not what Unleash is typically brought in for.
What can Semgrep do that Unleash cannot?
Semgrep covers Static code scanning, Supply chain scanning, Secrets detection, Cross-file analysis. Unleash covers Feature flags, A/B/n testing, Custom targeting, SDKs.

Answered from the vendors’ own pages

Semgrep: What does Semgrep cost?

The Free edition covers up to 10 contributors; Teams starts at $30/contributor/month for Code scanning (Supply Chain also $30, Secrets $15); Enterprise is custom-priced.

Source
Unleash: What does Unleash cost?

Unleash offers a Pay-As-You-Go cloud plan at $75/seat/month with a 14-day free trial, plus a custom-priced Enterprise plan for self-hosted or hybrid deployments.

Source
Semgrep: Is there a free plan, and what are its limits?

Yes, the Free edition supports up to 10 contributors and 10 repositories with Code and Supply Chain scanning plus 60 AI credits total.

Source
Unleash: How is usage metered?

The Pay-As-You-Go plan includes 53M API requests per month, with additional traffic billed at $5 per million requests thereafter.

Source
Semgrep: How is usage metered?

Pricing is per contributor, defined as someone who made at least one commit to a scanned private repository in the past 90 days.

Source
Unleash: What does Unleash integrate with, and is there an API?

Unleash provides an API and 25+ official SDKs across languages, along with SSO integrations via SAML 2.0 and OpenID Connect.

Source
Semgrep: Is there special pricing for startups?

Yes, Semgrep offers special startup pricing upon request for early-stage companies.

Source
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