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Machine Learning · head to head

Haystack vs Semgrep

Haystack logo

Haystack

Machine Learning

Open-source AI orchestration framework for LLM applications

From
Free
Rated
-
Full reviewWebsite
Semgrep logo

Semgrep

Cybersecurity

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

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Haystack requires Python programming knowledge for advanced customization; Semgrep free tier caps out at 10 contributors and 10 repositories.
  • They diverge on capability: Haystack covers Modular pipeline composition, Semgrep covers Static code scanning.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Haystack and Semgrep actually diverge.

Attributes where Haystack and Semgrep differ
AttributeHaystackSemgrep
Pricing modelOpen-source with optional paid enterprise supportfreemium
PlatformsPython, Cloud-agnosticweb, api, linux, mac, windows
CategoryMachine LearningCybersecurity

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 Haystack

  • Modular pipeline composition
  • Multi-provider LLM support
  • Retrieval-augmented generation
  • Agent framework
  • Memory management
  • Observability and debugging
  • Kubernetes-ready deployment

Only in Semgrep

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

What people use each for

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

Haystack

  • Building production LLM applications with full controlnot Semgrep
  • Creating retrieval-augmented generation systemsnot Semgrep
  • Developing autonomous AI agentsnot Semgrep
  • Multi-provider LLM orchestrationnot Semgrep
  • Enterprise AI infrastructurenot Semgrep

Semgrep

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

Where each one falls short

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

Haystack

  • Requires Python programming knowledge for advanced customization
  • Steeper learning curve compared to no-code platforms
  • Community support only on free tier may limit enterprise adoption
  • Ongoing maintenance dependency for open-source framework

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.

Pricing, plan by plan

Haystack

Free
  • Open SourceFree
    • Full framework access
    • Community Discord support
    • GitHub community contributions
  • Enterprise Support$undefined/custom
    • Private secure engineering support
    • Best practices templates and deployment guides
    • Flexible services and integrations

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

Which should you pick?

Choose Haystack if

  • You need modular pipeline composition.
  • You want to start without paying.
  • You work on Python, Cloud-agnostic.
  • You also want multi-provider llm support.
Haystack review

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

Questions people ask

Is Haystack or Semgrep better?
Neither clearly leads. Haystack starts at Free and Semgrep at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Haystack or Semgrep?
Haystack starts at Free and Semgrep at Free.
Does Haystack or Semgrep run on more platforms?
Haystack runs on Python, Cloud-agnostic. Semgrep runs on web, api, linux, mac, windows.
Can I use Haystack for free?
Both have a free tier, so you can try either at no cost before committing.
What is Haystack best used for?
Haystack is most often used for building production llm applications with full control, creating retrieval-augmented generation systems, developing autonomous ai agents, multi-provider llm orchestration. Of those, building production llm applications with full control and creating retrieval-augmented generation systems are not what Semgrep is typically brought in for.
What can Haystack do that Semgrep cannot?
Haystack covers Modular pipeline composition, Multi-provider LLM support, Retrieval-augmented generation, Agent framework. Semgrep covers Static code scanning, Supply chain scanning, Secrets detection, Cross-file analysis.

Answered from the vendors’ own pages

Haystack: Is Haystack completely free to use?

Yes, the open-source Haystack framework is completely free. deepset offers optional paid enterprise support packages for organizations needing secure engineering support and deployment guidance.

Source
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
Haystack: What LLM providers does Haystack support?

Haystack supports multiple LLM providers including OpenAI, Anthropic, Mistral, Cohere, and others, allowing teams to avoid vendor lock-in and switch providers as needed.

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
Haystack: Can I deploy Haystack in production environments?

Yes, Haystack is designed for production use with Kubernetes-ready pipelines, built-in reliability features, and observability tools for enterprise-scale deployments.

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
Semgrep: Is there special pricing for startups?

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

Source
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