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OpenLLMetry vs Helicone: Which is Better in 2026?

Choosing between OpenLLMetry and Helicone comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Helicone is our overall pick for API tools workflows. Pick OpenLLMetry if you need DevOps.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked May 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

OpenLLMetry

Open-source observability for LLMs using OpenTelemetry.

Best for you if:

  • • You need DevOps features specifically
  • Open-source observability for LLMs.
  • Uses OpenTelemetry for standardized data.

Helicone

Build reliable AI apps with Helicone: AI Gateway & LLM Observability for debugging, routing, and analysis.

Best for you if:

  • • You need API tools features specifically
  • Routes, debugs, and analyzes AI applications.
  • Offers LLM observability and an AI Gateway.
At a Glance
OpenLLMetryOpenLLMetry
HeliconeHelicone
Starts at
Contact us/moEnterprise
$100/monthPro
Best For
DevOpsAPI Tools
Rating
--

Choose OpenLLMetry or Helicone?

OpenLLMetry

Choose OpenLLMetry if

Open-source observability for LLMs using OpenTelemetry.

  • Leverages open standards (OpenTelemetry)
  • Easy integration with minimal code changes
  • Supports both Python and TypeScript/Node.js
  • Your work is DevOps-shaped, not API tools-shaped
Helicone

Choose Helicone if

Build reliable AI apps with Helicone: AI Gateway & LLM Observability for debugging, routing, and analysis.

  • LLM observability
  • Request logging
  • Cost tracking
  • Your work is API tools-shaped, not DevOps-shaped
FeatureOpenLLMetryHelicone
Pricing ModelFreemiumFreemium
User RatingNo ratings yetNo ratings yet
Categories
DevOpsAnalytics
API ToolsDebugging

In-Depth Analysis

OpenLLMetryOpenLLMetry

Open-source observability for LLMs using OpenTelemetry.

Strengths

  • +Leverages open standards (OpenTelemetry)
  • +Easy integration with minimal code changes
  • +Supports both Python and TypeScript/Node.js
  • +Provides visibility into LLM application workflows
  • +Vendor-neutral for data export

Weaknesses

  • -Requires an OpenTelemetry backend for full visualization
  • -Limited information on advanced features or customization options from the provided content

Key features

Open-source SDK for LLM observabilityOpenTelemetry standard compliancePython SDK for LLM applicationsTypeScript/Node.js SDK for LLM applicationsWorkflow tracing for LLM interactionsIntegration with OpenAI API calls
Starts at Contact us/mo

HeliconeHelicone

Build reliable AI apps with Helicone: AI Gateway & LLM Observability for debugging, routing, and analysis.

Strengths

  • +LLM observability
  • +Request logging
  • +Cost tracking
  • +Good for AI apps
  • +Fair pricing

Weaknesses

  • -Newer platform
  • -Limited features
  • -Still maturing
  • -Integration effort
  • -Documentation improving

Key features

LLM observabilityRequest loggingCost trackingLatency monitoringPrompt managementAnalytics
Starts at $100/month

Pricing: OpenLLMetry vs Helicone

PlanOpenLLMetryHelicone
Tier 1
$0 / mo
Free Forever
Free
Free
Tier 2
Contact us
Enterprise
$100 month
Pro
Tier 3N/A
custom
Enterprise

Pricing verified from each vendor's public pricing page. Compare in detail on OpenLLMetry pricing and Helicone pricing.

Who Should Use What?

On a budget?

Both are freemium. Compare plans on their websites.

Go with: OpenLLMetry

Want the highest-rated option?

Neither has user reviews yet.

Go with: OpenLLMetry

Value user reviews?

Neither has user reviews yet.

Go with: Helicone

3 Questions to Help You Decide

1

What's your budget?

Both are freemium. Pricing won't help you decide here.

2

What's your use case?

OpenLLMetry is a DevOps tool. Helicone is in API tools. Pick the category that matches your needs.

3

How important are ratings?

Neither has user reviews yet.

Key Takeaways

Helicone

  • Free tier available
  • Our pick for this comparison

OpenLLMetry

  • Better fit for DevOps

The Bottom Line

Helicone is our pick.

Frequently Asked Questions

Is OpenLLMetry or Helicone better?

Helicone is rated in our evaluation. Both are freemium.

What are OpenLLMetry and Helicone used for?

OpenLLMetry: Open-source observability for LLMs using OpenTelemetry.. Helicone: Build reliable AI apps with Helicone: AI Gateway & LLM Observability for debugging, routing, and analysis..

What does OpenLLMetry cost vs Helicone?

OpenLLMetry is freemium (free tier + paid plans). Helicone is freemium (free tier + paid plans). Visit their websites for detailed pricing.

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