Humanloop vs Traceloop
Updated March 10, 2026
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Overview
Rating
10.0 / 10
Rating
10.0 / 10
Best For
—
Best For
Teams already using Datadog/Splunk wanting LLM observability
Product Summary
Humanloop is a prompt engineering and evaluation platform that helps teams manage, version, and optimize LLM prompts. It provides prompt playgrounds, A/B testing, human feedback collection, and evaluation pipelines. Teams can track prompt performance across models and deploy optimized prompts to production.
Product Summary
The OpenTelemetry standard for AI. Pipes LLM telemetry into Datadog, Splunk, or any OTel backend.
Starting Price
$0Per month
Starting Price
open-source
Free Trial
Yes
Free Trial
No
Free Version
Yes
Free Version
No
Website
Website
Key features
Core capabilities each platform advertises.
Data not available
- OpenTelemetry
- OpenLLMetry
- Vendor-neutral
- OTel integration
Strengths and tradeoffs
What each tool does well, and the limitations to keep in mind.
Pros
- Collaborative platform for team development
- Version control for prompts
- A/B testing and evaluation tools
- Free tier for individuals
Cons
- Pro tier at USD 99/mo may be steep for small teams
- Learning curve for full feature utilization
- Requires commitment to platform workflow
Pros
- Acquired by ServiceNow for $60-80M providing strong financial backing and integration opportunities
- Built on OpenTelemetry standards with open-source OpenLLMetry SDK
- Recognized as Gartner Cool Vendor demonstrating industry validation
- One-line code integration for quick setup and deployment
- Enterprise-ready with SOC 2, HIPAA compliance and multiple deployment options
Cons
- ServiceNow acquisition may lead to platform changes, pricing adjustments, or strategic shifts
- Small team of 9 employees may be absorbed into larger ServiceNow organization affecting support
- Limited transparent pricing information following acquisition
- Uncertainty around long-term product roadmap under new ownership
Compare Humanloop and Traceloop on your own traffic
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.
10KFree traces/mo
500+Models
5 minSetup