Comparison

Helicone vs LangChain

On the evidence we track, LangChain leads this comparison with a composite score of 79/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Helicone full profile →LangChain full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

Helicone41

★LangChain79

Attribute comparison across 2 tools
Attribute	Helicone	LangChainLeader
vioscaleAI score	41 / 100low · 22%	79 / 100medium · 69%
Pricing
Free tierpricing.free_tier	-	✓
Modelpricing.model	-	freemium
Price levelpricing.price_level	-	mid
Starting pricepricing.starting_price	-	$39
Transparentpricing.transparent	-	✓
Integrations
Countintegrations.count	2	1,000
Security
Disclosure policysecurity.disclosure_policy	-	✓
Gdprsecurity.gdpr	-	✓
Hipaasecurity.hipaa	-	✓
Iso27001security.iso27001	-	✓
Scorecardsecurity.scorecard	-	5.8
Soc2security.soc2	-	✓
Trust centersecurity.trust_center	-	https://www.langchain.com/blog/building-governed-agents-a-framework-for-cost-control-and-compliance
Vulnerabilitiessecurity.vulnerabilities	-	Count: 21 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=langchain&per_page=100 · Last 12m: 2 · Max severity: CRITICAL
Reliability
Sla pctreliability.sla_pct	-	99.5
Status pagereliability.status_page	✓	✓
Adoption
Dependent reposadoption.dependent_repos	-	18,663
Github starsadoption.github_stars	-	147,461
Package downloads weeklyadoption.package_downloads_weekly	396	3,725,877
Activity
Commits last 30dactivity.commits_last_30d	-	100
Release
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	Apache-2.0	MIT
Language
Primarylanguage.primary	Python	Python
Market
Availabilitymarket.availability	-	Available worldwide
Content
Faqcontent.faq	-	8 items

Score

vioscaleAI score

Helicone41 / 100low · 22%

LangChain79 / 100medium · 69%

Pricing

Free tier

Helicone–

LangChain✓

Model

Helicone–

LangChainfreemium

Price level

Helicone–

LangChainmid

Starting price

Helicone–

LangChain$39

Transparent

Helicone–

LangChain✓

Integrations

Count

Helicone2

LangChain1,000

Security

Disclosure policy

Helicone–

LangChain✓

Gdpr

Helicone–

LangChain✓

Hipaa

Helicone–

LangChain✓

Iso27001

Helicone–

LangChain✓

Scorecard

Helicone–

LangChain5.8

Soc2

Helicone–

LangChain✓

Trust center

Helicone–

LangChainhttps://www.langchain.com/blog/building-governed-agents-a-framework-for-cost-control-and-compliance

Vulnerabilities

Helicone–

LangChainCount: 21 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=langchain&per_page=100 · Last 12m: 2 · Max severity: CRITICAL

Reliability

Sla pct

Helicone–

LangChain99.5

Status page

Helicone✓

LangChain✓

Adoption

Dependent repos

Helicone–

LangChain18,663

Github stars

Helicone–

LangChain147,461

Package downloads weekly

Helicone396

LangChain3,725,877

Activity

Commits last 30d

Helicone–

LangChain100

Release

History

Helicone–

LangChain20 items

License

Spdx

HeliconeApache-2.0

LangChainMIT

Language

Primary

HeliconePython

LangChainPython

Market

Availability

Helicone–

LangChainAvailable worldwide

Content

Faq

Helicone–

LangChain8 items

Capabilities

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

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

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

A unified developer platform consisting of open-source frameworks and commercial tools for building, testing, monitoring, and deploying AI agents and LLM-powered applications.

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/moHybridFree tier

Free Developer plan. Plus plan from $39/user/mo with unlimited seats. Enterprise custom pricing billed annually.

DeveloperFree
- 1 free seat
- 5000 base traces per month
- Full LangSmith access
Plus$39/seat/month, unlimited seats, 10k traces/month included
- Unlimited seats
- 10000 base traces per month
- 1 free small serverless deployment
- Team collaboration
- LangSmith Deployment service access
EnterpriseContact sales
- Advanced administration options
- Enhanced security controls
- Priority support
- Custom deployment options

as of 2026-10-05verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Helicone	LangChain
WebPlatforms	-	✓
Cloud / SaaSDeployment	-	✓
Self-hostedDeployment	-	✓
HybridDeployment	-	✓

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

2 total - 1 not shared

Helicone

Independently observed

LangChain

Leader

11 total - 10 not shared

Anthropic
Cohere
Google
Azure OpenAI
Azure AI Search
Microsoft Fabric
Azure Kubernetes Service
OpaquePrompts
AWS
MCP (Model Context Protocol)

Independently observed

Still deciding?

Helicone or LangChain: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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