Comparison

Humanloop vs Promptmetheus

No clear leader: Promptmetheus (55.1) and Humanloop (55.0) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Humanloop55
Promptmetheus55
Score
Vioscale score
Humanloop55 / 100medium · 55%updating
Promptmetheus55 / 100medium · 66%updating
Pricing
Free tier
Humanloop
Promptmetheus
Model
Humanloopfreemium
Promptmetheuscommercial
Price level
Humanlooplow
Promptmetheusmid
Starting price
Humanloop
Promptmetheus$19
Transparent
Humanloop
Promptmetheus
Integrations
Count
Humanloop5
Promptmetheus
Security
Disclosure policy
Humanloop
Promptmetheus
Gdpr
Humanloop
Promptmetheus
Hipaa
Humanloop
Promptmetheus
Pci
Humanloop
Promptmetheus
Soc2
Humanloop
Promptmetheus
Reliability
Status page
Humanloop
Promptmetheus

Capabilities

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

Capabilities
Versioning model
HumanloopHybrid
PromptmetheusUI hosted registry
Diff and rollback
Humanloop
Promptmetheus
Deploy without redeploy
Humanloop-
Promptmetheus-
Non engineer editing
Humanloop
Promptmetheus
Multi model playground
Humanloop
Promptmetheus
Ab testing
Humanloop
Promptmetheus
LLM judge or human eval
Humanloop
Promptmetheus
Multi step flows
Humanloop
Promptmetheus
Approval workflow
Humanloop-
Promptmetheus-
Tracing included
Humanloop
Promptmetheus
Self hostable
Humanloop
Promptmetheus-
Deployment model
Humanloop-
PromptmetheusManaged SaaS
Pricing model
HumanloopUsage/seat based saas
PromptmetheusUsage/seat based saas

What each one is

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

Humanloop

A platform that helps teams develop, test, and monitor AI applications through evaluation workflows, prompt management, and production observability. It supports both technical engineers and non-technical domain experts to iterate on AI systems using real-world data and automated assessments.

Independently observed

Promptmetheus

A platform for building structured prompts through modular components, testing across 150+ language models, evaluating outputs, and enabling teams to collaboratively develop shared prompt libraries and workflows.

Independently observed

Pricing

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

Humanloop

SubscriptionFree tier

Free tier with 50 eval runs. Paid plans available; enterprise requires contact.

  • FreeFree
  • Startup25% performance improvement
  • EnterpriseContact sales
    • SSO + SAML
    • Role-based access controls
    • Hands-on support with SLA
    • VPC deployment add-on
as of verify ↗

Promptmetheus

from $19/seat/moSubscription7-day trial

7-day free trial. $19/month per additional user. Enterprise available.

  • Team$19/month per additional user
  • EnterpriseContact sales
as of verify ↗

Platform & deployment

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

Platforms
Web
Humanloop
Promptmetheus
CLI
Humanloop
Promptmetheus
Deployment
Cloud / SaaS
Humanloop
Promptmetheus
Self-hosted
Humanloop
Promptmetheus
Hybrid
Humanloop
Promptmetheus

Integrations

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

Humanloop

5 total
  • Git
  • CI/CD pipelines
  • Vercel AI SDK
  • OpenAI
  • Anthropic
Independently observed

Promptmetheus

Not documented yet.

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

Humanloop vs Promptmetheus: an evidence-based comparison · Vioscale