Humanloop vs Prompt Layer: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Humanloop and Prompt Layer side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Humanloop
Humanloop has been discontinued as of September 8, 2025.
Best for you if:
- • You want pioneered development platforms for LLM applications
Prompt Layer
Version, test, and monitor every prompt and agent with robust evals, tracing, and regression sets.
Best for you if:
- • You want a fully free tool (Humanloop requires payment)
| At a Glance | Humanloop | Prompt Layer |
|---|---|---|
Starts at | Free plan | Free 100% free |
Category | AI Observability AI Prompt Tools | AI Observability AI Prompt Tools |
Rating | n/a | n/a |
Free plan | Yes | Yes |
Watch out for | VPC deployment is an add-on | n/a |
Choose Humanloop or Prompt Layer?
Choose Humanloop if
- You want pioneered development platforms for LLM applications
- You want shaped industry standards for AI management and evaluation
Choose Prompt Layer if
- You want a fully free tool (Humanloop requires payment)
- You want empowers non-technical domain experts to iterate on prompts
- You want reduces engineering time and costs by streamlining prompt deployment
In-Depth Analysis
Humanloop
Humanloop has been discontinued as of September 8, 2025.
Humanloop has been discontinued as of September 8, 2025.
Watch out
VPC deployment is an add-on
Strengths
- Pro: Pioneered development platforms for LLM applications
- Pro: Shaped industry standards for AI management and evaluation
- Pro: Enabled safe and rapid AI adoption
Weaknesses
- Con: The platform is being sunsetted
- Con: No longer available for new users
- Con: Existing users need to transition off the platform
Key features
Prompt Layer
Version, test, and monitor every prompt and agent with robust evals, tracing, and regression sets.
Prompt Layer's current pricing, with only a 'Free' tier, is extremely generous and accessible.
Strengths
- Pro: Empowers non-technical domain experts to iterate on prompts.
- Pro: Reduces engineering time and costs by streamlining prompt deployment.
- Pro: Provides comprehensive tools for testing and monitoring LLM performance.
- Pro: Offers robust compliance and security certifications (SOC2 Type 2, GDPR, HIPAA, CCPA).
- Pro: Supports various hosting options including self-hosted for enterprise customers.
Weaknesses
- Con: Free tier has limited users and requests.
- Con: Overage charges apply for exceeding usage thresholds on paid plans.
- Con: Advanced features like RBAC and deployment approvals are limited to higher tiers.
Key features
Plans and prices: Humanloop vs Prompt Layer
| Tool | Plans and prices | Source |
|---|---|---|
| Humanloop |
| humanloop.com/pricing read Sep 27, 2026 |
| Prompt Layer |
| promptlayer.com read Oct 6, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Humanloop pricing and Prompt Layer pricing.
Key Takeaways
Humanloop
- Choose if you want humanloop has been discontinued as of September 8, 2025
Prompt Layer
- Choose if you want version, test, and monitor every prompt and agent with robust evals, tracing, and regression sets
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Humanloop and Prompt Layer compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Both have a free plan.
What are Humanloop and Prompt Layer used for?
Humanloop: Humanloop has been discontinued as of September 8, 2025. Prompt Layer: Version, test, and monitor every prompt and agent with robust evals, tracing, and regression sets.
What does Humanloop cost vs Prompt Layer?
Humanloop has no public paid-plan price on file. Prompt Layer is free. Prices read on the vendors' pricing pages, latest check Oct 6, 2026.
What's the main difference between Humanloop and Prompt Layer?
Humanloop's main strength: pioneered development platforms for LLM applications. Prompt Layer's main strength: empowers non-technical domain experts to iterate on prompts.