Comparison

ChainForge vs Promptfoo

On the evidence we track, Promptfoo leads this comparison with a composite score of 54/100. 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
ChainForge37
Promptfoo54
Score
Vioscale score
ChainForge37 / 100low · 32%updating
Promptfoo54 / 100medium · 55%updating
Pricing
Free tier
ChainForge
Promptfoo
Model
ChainForgeopen_source
Promptfoofreemium
Price level
ChainForgefree
Promptfoolow
Transparent
ChainForge
Promptfoo
Integrations
Count
ChainForge5
Promptfoo6
Adoption
Dependent repos
ChainForge0
Promptfoo
Github stars
ChainForge3,027
Promptfoo
Activity
Commits last 30d
ChainForge0
Promptfoo
Release
Cadence days
ChainForge24
Promptfoo
History
ChainForge20 items
Promptfoo
License
Spdx
ChainForgeMIT
Promptfoo
Language
Primary
ChainForgeTypeScript
Promptfoo
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for prompt management. “-” means undocumented, not absent.

Capabilities
Versioning model
ChainForge-
PromptfooUI hosted registry
Diff and rollback
ChainForge-
Promptfoo-
Deploy without redeploy
ChainForge-
Promptfoo-
Non engineer editing
ChainForge
Promptfoo
Multi model playground
ChainForge
Promptfoo-
Ab testing
ChainForge
Promptfoo-
LLM judge or human eval
ChainForge
Promptfoo
Multi step flows
ChainForge
Promptfoo-
Approval workflow
ChainForge-
Promptfoo-
Tracing included
ChainForge-
Promptfoo-
Self hostable
ChainForge
Promptfoo
Deployment model
ChainForgeSelf hosted
Promptfoo-
Pricing model
ChainForgeOpen source self host
Promptfoo-

What each one is

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

ChainForge

An open-source platform that enables users to experiment with multiple language models, compare outputs across different prompts and settings, and evaluate LLM quality without requiring extensive coding knowledge.

Independently observed

Promptfoo

Leader

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.

ChainForge

Open sourceFree tier

Open source and free to use

as of verify ↗

Promptfoo

Leader
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
ChainForge
Promptfoo
CLI
ChainForge
Promptfoo
Deployment
Cloud / SaaS
ChainForge
Promptfoo
Self-hosted
ChainForge
Promptfoo
On-premise
ChainForge
Promptfoo
Hybrid
ChainForge
Promptfoo

Integrations

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

In common (2)
  • OpenAI
  • Google Gemini

ChainForge

5 total - 3 not shared
  • Alpaca
  • Llama
  • Dalai
Independently observed

Promptfoo

Leader
11 total - 9 not shared
  • Anthropic
  • 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.