vioscale
Comparison

ChainForge vs PromptHub

No leader: the top candidate PromptHub has only 0.26 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

ChainForge full profile →PromptHub full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
ChainForge37
PromptHub77
Score
Vioscale score
ChainForge37 / 100low · 32%updating
PromptHub77 / 100low · 26%updating
Pricing
Free tier
ChainForge✓
PromptHub✓
Model
ChainForgeopen_source
PromptHubfreemium
Price level
ChainForgefree
PromptHublow
Starting price
ChainForge–
PromptHub$12
Transparent
ChainForge✓
PromptHub✓
Integrations
Count
ChainForge5
PromptHub6
Security
Vulnerabilities
Adoption
Dependent repos
ChainForge0
PromptHub–
Github stars
ChainForge3,027
PromptHub–
Activity
Commits last 30d
ChainForge0
PromptHub–
Release
Cadence days
ChainForge24
PromptHub–
History
ChainForge20 items
PromptHub–
License
Spdx
ChainForgeMIT
PromptHub–
Language
Primary
ChainForgeTypeScript
PromptHub–
Market
Availability

Capabilities

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

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

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

PromptHub

A prompt management platform that lets teams discover, create, version, and deploy prompts with built-in evaluation tools and team collaboration features. It supports public and private prompt sharing, batch testing across models, and API-based deployment.

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 ↗

PromptHub

from $12/moHybridFree tier

Free with unlimited team members, 2,000 requests/month. Pro $12/month. Team $20/user/month. Enterprise custom.

  • FreeFree
    • Unlimited team members
    • Unlimited public prompts
    • No private prompts
    • Limited API access
    • Evaluations
    • +2 more
  • Pro$12/month
    • Unlimited private prompts
    • Full API access
    • All Free plan features
  • Team$20/user/month
    • Team and user permissions
    • Private Slack channel support
  • EnterpriseContact sales
    • SSO + SAML
    • SOC 2 (in progress)
    • Custom limits and roles
    • Custom model support
    • Dedicated support and feedback
as of verify ↗

Platform & deployment

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

Platforms
Web
ChainForge✓
PromptHub✓
Deployment
Cloud / SaaS
ChainForge✓
PromptHub✓
Self-hosted
ChainForge✓
PromptHub✗

Integrations

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

In common (1)
  • OpenAI

ChainForge

5 total - 4 not shared
  • Google Gemini
  • Alpaca
  • Llama
  • Dalai
Independently observed

PromptHub

6 total - 5 not shared
  • Amazon Bedrock
  • Zapier
  • Anthropic
  • Mistral
  • Notion
Independently observed

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