Comparison

Helm vs Promptfoo

On the evidence we track, Helm leads this comparison with a composite score of 67/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Helm67
Promptfoo54
Score
Vioscale score
Helm67 / 100medium · 60%
Promptfoo54 / 100medium · 55%
Pricing
Free tier
Helm
Promptfoo
Model
Promptfoofreemium
Price level
Helmfree
Promptfoolow
Transparent
Helm
Promptfoo
Integrations
Count
Helm
Promptfoo6
Security
Disclosure policy
Helm
Promptfoo
Iso27001
Helm
Promptfoo
Scorecard
Helm9
Promptfoo
Soc2
Helm
Promptfoo
Adoption
Dependent repos
Helm5,000
Promptfoo
Github stars
Helm30,177
Promptfoo
Activity
Commits last 30d
Helm100
Promptfoo
Release
Cadence days
Helm2
Promptfoo
History
Promptfoo
License
Spdx
Promptfoo
Language
Primary
HelmGo
Promptfoo

Capabilities

Feature-by-feature on the axes that matter for ai evals testing. “-” means undocumented, not absent.

Capabilities
Architecture model
HelmOpen source CLI
Promptfoo-
LLM as a judge prompt grading framework
Helm-
Promptfoo
Specialized rag metrics faithfulness context relevance
Helm-
Promptfoo-
Deterministic regex and json schema assertions
Helm-
Promptfoo
Synthetic test dataset generation from documents
Helm-
Promptfoo-
Ci cd github actions pipeline blocking gates
Helm-
Promptfoo
Red teaming and adversarial vulnerability scanning
Helm-
Promptfoo
Multi model side by side ab regression testing
Helm-
Promptfoo-
Human in the loop hitl annotation UI
Helm-
Promptfoo-
Dashboard analytics for metric drift over time
Helm-
Promptfoo-
SOC2 type ii
Helm-
Promptfoo
Mit or apache permissive oss license
Helm-
Promptfoo-
Pricing model
HelmFree open source
Promptfoo-

What each one is

The product in its own terms, so the numbers below have context.

Helm

Leader

Helm provides a templated configuration system and package manager for Kubernetes applications, allowing users to define complex multi-component deployments as reusable, versioned, and shareable packages.

Independently observed

Promptfoo

A comprehensive LLM security testing solution that automatically scans for vulnerabilities such as prompt injections and jailbreaks through dynamic red teaming. Offers both open-source software for local testing and enterprise SaaS with team collaboration, continuous monitoring, and compliance dashboards.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Helm

Leader
Open sourceFree tier
as of verify ↗

Promptfoo

HybridFree tier

Free open-source Community tier; Enterprise and On-Premise plans with custom pricing

  • CommunityFree
    • All LLM evaluation features
    • All model providers and integrations
    • Red teaming (10k probes/month)
    • Custom integration with your own app
    • Run locally or self-host on your own infrastructure
    • +2 more
  • EnterpriseContact sales
    • All Community features
    • Custom red teaming limits
    • Team sharing & collaboration
    • Continuous monitoring
    • Centralized security/compliance dashboard
    • +6 more
  • On-PremiseContact sales
    • Complete data isolation
    • On-premise deployment
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Helm
Promptfoo
macOS
Helm
Promptfoo
Windows
Helm
Promptfoo
Linux
Helm
Promptfoo
CLI
Helm
Promptfoo
Deployment
Cloud / SaaS
Helm
Promptfoo
Self-hosted
Helm
Promptfoo
On-premise
Helm
Promptfoo
Hybrid
Helm
Promptfoo

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Helm

Leader

Not documented yet.

Promptfoo

11 total
  • OpenAI
  • Anthropic
  • Google (Gemini)
  • DeepSeek
  • MCP (Model Context Protocol)
  • CI/CD pipelines
  • Webhooks
  • Agent frameworks
  • CI/CD platforms
  • GitHub
  • Python providers
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.