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Logging · head to head

Checkly vs Humanloop

Checkly logo

Checkly

Logging

Active reliability platform combining uptime monitoring, API testing, and incident response

From
Free
Rated
-
Full reviewWebsite
Humanloop logo

Humanloop

Software Development

The LLM evals platform for enterprises

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Checkly free tier has limited check allocations per month; Humanloop no published pricing for standard plans; customers must contact sales for quotes

Where they differ

Only the attributes on which Checkly and Humanloop actually diverge.

Attributes where Checkly and Humanloop differ
AttributeChecklyHumanloop
Pricing modelsubscriptionusage-based
PlatformsWeb, CLI, APIWeb
CategoryLoggingSoftware Development

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Checkly

  • Uptime monitoring
  • Synthetic browser testing
  • API monitoring
  • Heartbeat monitoring
  • Monitoring-as-Code
  • Status pages
  • Root cause analysis
  • Global locations

Only in Humanloop

Nothing recorded that Checkly does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Checkly

  • Monitor API endpoints with custom assertionsnot Humanloop
  • Test user journeys with browser automationnot Humanloop
  • Detect performance degradation across regionsnot Humanloop
  • Verify DNS and TCP connectivitynot Humanloop
  • Ensure cron jobs and background tasks completenot Humanloop

Humanloop

  • LLM prompt management and evaluationnot Checkly
  • AI workflow automation and testingnot Checkly
  • Model monitoring and logging at scalenot Checkly

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Checkly

  • Free tier has limited check allocations per month
  • Overage charges can add up with high-volume workloads
  • Status pages require separate paid tier
  • Root cause analysis is separate billing component

Humanloop

  • No published pricing for standard plans; customers must contact sales for quotes
  • Billing based on logs created per API call, making costs unpredictable without usage estimates
  • Separate charges apply from AI providers (OpenAI, Anthropic, etc.) using customer's own API keys, adding external costs

Pricing, plan by plan

Checkly

Free
  • HobbyFree
    • 10 uptime monitors
    • 1,000 browser checks monthly
    • 10,000 API checks monthly
  • Team$64/month
    • 75 uptime monitors
    • 12,000 browser checks monthly
    • 100,000 API checks monthly
  • Enterprise$undefined/custom
    • Custom monitor quantities
    • All 22 global locations
    • 1-second check frequency

Humanloop

Free
  • Free TrialFree
    • 2 members
    • 50 evaluation runs
    • 10,000 logs per month
  • Startup Program$null/contact-sales
    • Tailored pricing for early-stage, VC-backed startups
  • Enterprise$null/contact-sales
    • Custom pricing
    • SSO + SAML authentication
    • Role-based access controls

Which should you pick?

Choose Checkly if

  • You need uptime monitoring.
  • You want to start without paying.
  • You work on Web, CLI, API.
  • You also want synthetic browser testing.
Checkly review

Choose Humanloop if

  • You want to start without paying.
Humanloop review

Questions people ask

Is Checkly or Humanloop better?
Neither clearly leads. Checkly starts at Free and Humanloop at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Checkly or Humanloop?
Checkly starts at Free and Humanloop at Free.
Does Checkly or Humanloop run on more platforms?
Checkly runs on Web, CLI, API. Humanloop runs on Web.
Can I use Checkly for free?
Both have a free tier, so you can try either at no cost before committing.
What is Checkly best used for?
Checkly is most often used for monitor api endpoints with custom assertions, test user journeys with browser automation, detect performance degradation across regions, verify dns and tcp connectivity. Of those, monitor api endpoints with custom assertions and test user journeys with browser automation are not what Humanloop is typically brought in for.
What can Checkly do that Humanloop cannot?
Checkly covers Uptime monitoring, Synthetic browser testing, API monitoring, Heartbeat monitoring.

Answered from the vendors’ own pages

Checkly: What is included in the free Checkly plan?

The free Hobby plan includes 10 uptime monitors, 1,000 monthly browser checks, 10,000 monthly API checks, 6 monitoring locations, and 2-minute minimum check frequency with email, Slack, and webhook alerts.

Source
Humanloop: How much does Humanloop cost?

Humanloop offers a free trial with 2 members and 10,000 logs per month. Startup program and Enterprise plans require contacting sales for custom pricing based on usage needs.

Source
Checkly: Can I write monitoring checks in my preferred language?

Yes, Checkly uses TypeScript/JavaScript for monitoring-as-code, integrated with Playwright for browser testing and supporting REST API testing.

Source
Humanloop: What are the limits on Humanloop's free trial plan?

Free trial includes 2 members, 50 evaluation runs, and 10,000 logs per month with access to all features at limited volume.

Source
Checkly: How much does status page add to my bill?

Status pages cost between $0-$30/month depending on your plan tier, billed separately from core monitoring.

Source
Humanloop: How is Humanloop usage billed?

Humanloop bills based on logs created per API call to prompts, tools, evaluators, or flows. Separate charges apply from external AI providers like OpenAI and Anthropic using the customer's own API keys.

Source
Checkly: What is the minimum check frequency?

The Hobby and Starter plans support 2-minute and 1-minute minimums respectively. The Team plan supports 30-second intervals, while Enterprise offers 1-second minimum frequency.

Source
Humanloop: Does Humanloop offer discounts for nonprofits or academics?

Academic and nonprofit pricing is available upon request, requiring contact with sales for customized rates.

Source
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