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Software Development · head to head

Humanloop vs Unleash

Humanloop logo

Humanloop

Software Development

The LLM evals platform for enterprises

From
Free
Rated
-
Full reviewWebsite
Unleash logo

Unleash

Software Development

Open-source feature flag and experimentation service

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Humanloop no published pricing for standard plans; customers must contact sales for quotes; Unleash the Pay-As-You-Go plan is priced per seat, which can get costly for larger teams.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Humanloop and Unleash actually diverge.

Attributes where Humanloop and Unleash differ
AttributeHumanloopUnleash
Pricing modelusage-basedfreemium
PlatformsWebweb, api, linux

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

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 Humanloop

Nothing recorded that Unleash does not also cover.

Only in Unleash

  • Feature flags
  • A/B/n testing
  • Custom targeting
  • SDKs
  • SSO
  • Audit logs

What people use each for

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

Humanloop

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

Unleash

  • Gradual and progressive feature rolloutsnot Humanloop
  • Running A/B/n experiments tied to flagsnot Humanloop
  • Self-hosting feature management for compliance needsnot Humanloop
  • Enterprise SSO-controlled feature flag governancenot Humanloop

Where each one falls short

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

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

Unleash

  • The Pay-As-You-Go plan is priced per seat, which can get costly for larger teams.
  • Self-hosted Enterprise requires a minimum of 5 seats and an annual contract.
  • Additional API traffic beyond the included quota is billed per million requests.
  • Advanced SLAs and dedicated customer success are reserved for the custom Enterprise tier.

Pricing, plan by plan

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

Unleash

Free
  • Pay-As-You-Go$75/month
    • Cloud-hosted
    • 53M API requests/month included
    • Unlimited feature flags, projects and environments
  • Custom Enterprise$undefined/mo
    • Cloud, self-hosted or hybrid
    • Premium support options
    • 99.99% uptime SLA

Which should you pick?

Choose Humanloop if

  • You want to start without paying.
Humanloop review

Choose Unleash if

  • You need feature flags.
  • You want to start without paying.
  • You work on web, api, linux.
  • You also want a/b/n testing.
Unleash review

Questions people ask

Is Humanloop or Unleash better?
Neither clearly leads. Humanloop starts at Free and Unleash at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Humanloop or Unleash?
Humanloop starts at Free and Unleash at Free.
Does Humanloop or Unleash run on more platforms?
Humanloop runs on Web. Unleash runs on web, api, linux.
Can I use Humanloop for free?
Both have a free tier, so you can try either at no cost before committing.
What is Humanloop best used for?
Humanloop is most often used for llm prompt management and evaluation, ai workflow automation and testing, model monitoring and logging at scale. Of those, llm prompt management and evaluation and ai workflow automation and testing are not what Unleash is typically brought in for.
What can Humanloop do that Unleash cannot?
Unleash covers Feature flags, A/B/n testing, Custom targeting, SDKs.

Answered from the vendors’ own pages

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
Unleash: What does Unleash cost?

Unleash offers a Pay-As-You-Go cloud plan at $75/seat/month with a 14-day free trial, plus a custom-priced Enterprise plan for self-hosted or hybrid deployments.

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
Unleash: How is usage metered?

The Pay-As-You-Go plan includes 53M API requests per month, with additional traffic billed at $5 per million requests thereafter.

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
Unleash: What does Unleash integrate with, and is there an API?

Unleash provides an API and 25+ official SDKs across languages, along with SSO integrations via SAML 2.0 and OpenID Connect.

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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