vioscale
Comparison

Humanloop vs PromptLayer

On the evidence we track, PromptLayer leads this comparison with a composite score of 70/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Humanloop full profile →PromptLayer full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Humanloop55
★PromptLayer70
Score
Vioscale score
Humanloop55 / 100medium · 55%
PromptLayer70 / 100medium · 54%
Pricing
Free tier
Humanloop✓
PromptLayer✓
Model
Humanloopfreemium
PromptLayerfreemium
Price level
Humanlooplow
PromptLayermid
Starting price
Humanloop–
PromptLayer$49
Transparent
Humanloop✗
PromptLayer✓
Integrations
Count
Humanloop5
PromptLayer7
Security
Disclosure policy
Humanloop✓
PromptLayer–
Gdpr
Humanloop✓
PromptLayer✓
Hipaa
Humanloop✓
PromptLayer✓
Soc2
Humanloop✓
PromptLayer✓
Market
Availability

Capabilities

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

Capabilities
Versioning model
HumanloopHybrid
PromptLayerGit native
Diff and rollback
Humanloop✓
PromptLayer✓
Deploy without redeploy
Humanloop-
PromptLayer✓
Non engineer editing
Humanloop✓
PromptLayer✓
Multi model playground
Humanloop✓
PromptLayer✓
Ab testing
Humanloop✓
PromptLayer✓
LLM judge or human eval
Humanloop✓
PromptLayer✓
Multi step flows
Humanloop✓
PromptLayer✓
Approval workflow
Humanloop-
PromptLayer✓
Tracing included
Humanloop✓
PromptLayer✓
Self hostable
Humanloop✓
PromptLayer✓
Deployment model
Humanloop-
PromptLayerManaged SaaS
Pricing model
HumanloopUsage/seat based saas
PromptLayerUsage/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

PromptLayer

Leader

A platform combining prompt versioning, evaluation tools, and observability for LLM applications. It enables domain experts to test and refine prompts, track API usage and costs, and monitor application performance—all without changing application code.

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 ↗

PromptLayer

Leader
from $49/moHybridFree tier

Free tier available. Pro starts at $49/month, Team at $500/month, both with usage-based billing ($0.002–$0.003 per transaction). Enterprise custom pricing.

  • FreeFree
    • 5 Users
    • 2.5k/month Requests
    • 1 Workspace
    • 250/month Eval Cell Executions
    • 10MB max per Dataset
    • +1 more
  • Pro$49/month plus $0.003/transaction
    • Unlimited Playgrounds
    • Unlimited Workspaces
    • 150MB max per Dataset
    • Webhooks Included
    • Dedicated Support
  • Team$500/month plus $0.002/transaction
    • 25 Users
    • 100k+/month Requests
    • 7.5k+/month Eval Cell Executions
    • 1GB max per Dataset
    • Webhooks Included
    • +2 more
  • EnterpriseContact sales
    • Custom limits on everything
    • Role Based Access Controls
    • Deployment Approvals
    • HIPAA with BAA
    • Flexible Hosting Options
    • +2 more
as of verify ↗

Platform & deployment

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

Platforms
Web
Humanloop✓
PromptLayer✓
CLI
Humanloop✓
PromptLayer✓
Deployment
Cloud / SaaS
Humanloop✓
PromptLayer✓
Self-hosted
Humanloop✓
PromptLayer✓
On-premise
Humanloop✗
PromptLayer✓
Hybrid
Humanloop✓
PromptLayer✓

Integrations

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

In common (2)
  • OpenAI
  • Anthropic

Humanloop

5 total - 3 not shared
  • Git
  • CI/CD pipelines
  • Vercel AI SDK
Independently observed

PromptLayer

Leader
8 total - 6 not shared
  • Pydantic AI
  • Google GenAI
  • AWS Bedrock
  • OpenTelemetry
  • Azure OpenAI
  • Vertex AI
Independently observed

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