Comparison

Helicone vs LangChain

On the evidence we track, LangChain leads this comparison with a composite score of 81/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Helicone26
LangChain81
Score
Vioscale score
Helicone26 / 100low · 28%
LangChain81 / 100medium · 70%
Pricing
Free tier
Helicone
LangChain
Model
Helicone
LangChainfreemium
Price level
Helicone
LangChainmid
Starting price
Helicone
LangChain$39
Transparent
Helicone
LangChain
Integrations
Count
Helicone1
LangChain1,000
Security
Disclosure policy
Helicone
LangChain
Gdpr
Helicone
LangChain
Hipaa
Helicone
LangChain
Iso27001
Helicone
LangChain
Scorecard
Helicone
LangChain5.9
Soc2
Helicone
LangChain
Reliability
Sla pct
Helicone
LangChain99.5
Status page
Helicone
LangChain
Adoption
Dependent repos
Helicone
LangChain18,663
Github stars
Helicone
LangChain145,063
Package downloads weekly
Helicone396
LangChain2,967,570
Activity
Commits last 30d
Helicone
LangChain100
Release
History
Helicone
LangChain20 items
License
Spdx
HeliconeApache-2.0
LangChainMIT
Language
Primary
HeliconePython
LangChainPython
Market
Availability
Helicone

Capabilities

Feature-by-feature on the axes that matter for mlops & llmops tools. “-” means undocumented, not absent.

Core
Tool role
HeliconeLLM observability / eval
LangChainLLM observability / eval
Deployment
Self-hostable / OSS core
Helicone-
LangChain
Managed cloud available
Helicone-
LangChain
On-prem / VPC deployment
Helicone-
LangChain
Observability
LLM tracing / observability
Helicone
LangChain
Evaluation (offline / LLM-judge / human)
Helicone-
LangChain
Dev
Prompt management + versioning
Helicone-
LangChain
Tracking
Experiment tracking / model registry
Helicone-
LangChain-
Serving
Model serving / inference endpoint
Helicone-
LangChain
Interop
OpenTelemetry / OpenLLMetry compatible
Helicone-
LangChain
Framework-agnostic
Helicone-
LangChain
Gateway
Multi-provider model support
Helicone
LangChain
Data
No-train-on-customer-data guarantee
Helicone-
LangChainUnknown

What each one is

The product in its own terms, so the numbers below have context.

Helicone

A Python wrapper that automatically captures and logs all OpenAI API calls for monitoring and analysis.

Independently observed

LangChain

Leader

LangSmith provides observability through tracing to debug agent behavior, evaluation capabilities to test and score agents with human review and automated assessments, and deployment services to run agents at scale.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Helicone

Pricing not documented yet.

LangChain

Leader
from $39/seat/moSubscriptionFree tier

Free Developer plan (5k traces). Plus plan $39/seat/month. Enterprise custom. Usage-based pricing for compute (LCU=$1.50) and storage (LSU=$1.00).

  • DeveloperFree
    • 1 free seat
    • 5k base traces/month
    • Tracing and analytics
    • Access to LangSmith platform
  • Plus$39/seat/month + usage (LCU/LSU), 10k traces included, 1 free small deployment
    • Unlimited seats
    • 10k base traces/month
    • 1 free small serverless deployment
    • Full tracing and analytics
    • Evaluation tools
  • EnterpriseContact sales
    • Advanced administration
    • Dedicated support
    • Custom deployments
    • White-glove onboarding
    • Proactive monitoring
    • +1 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Helicone
LangChain
Deployment
Cloud / SaaS
Helicone
LangChain
Self-hosted
Helicone
LangChain
Hybrid
Helicone
LangChain

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • OpenAI

Helicone

1 total - 0 not shared
  • OpenAI
Independently observed

LangChain

Leader
9 total - 8 not shared
  • Anthropic
  • Cohere
  • Google
  • Azure OpenAI
  • Azure AI Search
  • Microsoft Fabric
  • Azure Kubernetes Service
  • OpaquePrompts
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.