vioscale
Comparison

PromptHub vs Vellum

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.

PromptHub full profile →Vellum full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
PromptHub77
Vellum67
Score
Vioscale score
PromptHub77 / 100low · 26%updating
Vellum67 / 100low · 37%updating
Pricing
Free tier
PromptHub✓
Vellum✓
Model
PromptHubfreemium
Vellumfreemium
Price level
PromptHublow
Vellummid
Starting price
PromptHub$12
Vellum$30
Transparent
PromptHub✓
Vellum✓
Integrations
Count
PromptHub6
Vellum11
Market
Availability

Capabilities

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

Capabilities
Versioning model
PromptHub-
Vellum-
Diff and rollback
PromptHub-
Vellum-
Deploy without redeploy
PromptHub-
Vellum-
Non engineer editing
PromptHub-
Vellum✓
Multi model playground
PromptHub-
Vellum-
Ab testing
PromptHub-
Vellum-
LLM judge or human eval
PromptHub-
Vellum-
Multi step flows
PromptHub-
Vellum✓
Approval workflow
PromptHub-
Vellum✓
Tracing included
PromptHub-
Vellum-
Self hostable
PromptHub-
Vellum-
Deployment model
PromptHub-
VellumManaged SaaS
Pricing model
PromptHub-
VellumUsage/seat based saas

What each one is

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

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

Vellum

A cloud-based AI assistant that maintains continuous context about your preferences and history, accessible via web, desktop, mobile, and messaging platforms, capable of automating tasks like email, calendar management, and web browsing with your explicit approval for each action.

Independently observed

Pricing

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

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 ↗

Vellum

from $30/moHybridFree tier

Free tier with credits, paid plans from $30/mo

  • FreeFree
    • Free starter credits
    • Multi-platform access
    • Memory and context
  • Paid$30/mo
    • Larger machine
    • More storage
    • Bundled credits
as of verify ↗

Platform & deployment

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

Platforms
Web
PromptHub✓
Vellum✓
iOS
PromptHub✗
Vellum✓
macOS
PromptHub✗
Vellum✓
CLI
PromptHub✗
Vellum✓
Deployment
Cloud / SaaS
PromptHub✓
Vellum✓

Integrations

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

PromptHub

6 total
  • Amazon Bedrock
  • Zapier
  • OpenAI
  • Anthropic
  • Mistral
  • Notion
Independently observed

Vellum

11 total
  • Gmail
  • Google Calendar
  • Slack
  • Telegram
  • Web browsing
  • Computer control
  • Phone calls
  • Image generation
  • Coding
  • App building
  • Task management
Independently observed

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