Comparison

LangChain vs ReOpenly

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.

LangChain full profile →ReOpenly full profile →

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

★LangChain79

ReOpenly66

Attribute comparison across 2 tools
Attribute	LangChainLeader	ReOpenly
vioscaleAI score	79 / 100medium · 69%	66 / 100low · 40%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	freemium
Price levelpricing.price_level	mid	low
Starting pricepricing.starting_price	$39	$0.03
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	1,000	3
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	https://reopenly.com/pt/privacy/
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	3,725,877	-
Activity
Commits last 30dactivity.commits_last_30d	100	-
Release
Historyrelease.history	20 items	-
License
Spdxlicense.spdx	MIT	-
Language
Primarylanguage.primary	Python	-
Market
Availabilitymarket.availability	Available worldwide	Available worldwide · Popular in BR · HQ BR
Content
Faqcontent.faq	8 items	6 items

Score

vioscaleAI score

LangChain79 / 100medium · 69%

ReOpenly66 / 100low · 40%

Pricing

Free tier

LangChain✓

ReOpenly✓

Model

LangChainfreemium

ReOpenlyfreemium

Price level

LangChainmid

ReOpenlylow

Starting price

LangChain$39

ReOpenly$0.03

Transparent

LangChain✓

ReOpenly✓

Integrations

Count

LangChain1,000

ReOpenly3

Security

Disclosure policy

LangChain✓

ReOpenly–

Gdpr

LangChain✓

ReOpenly–

Hipaa

LangChain✓

ReOpenly–

Iso27001

LangChain✓

ReOpenly–

Scorecard

LangChain5.8

ReOpenly–

Soc2

LangChain✓

ReOpenly–

Trust center

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

ReOpenlyhttps://reopenly.com/pt/privacy/

Vulnerabilities

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

ReOpenly–

Reliability

Sla pct

LangChain99.5

ReOpenly–

Status page

LangChain✓

ReOpenly–

Adoption

Dependent repos

LangChain18,663

ReOpenly–

Github stars

LangChain147,461

ReOpenly–

Package downloads weekly

LangChain3,725,877

ReOpenly–

Activity

Commits last 30d

LangChain100

ReOpenly–

Release

History

LangChain20 items

ReOpenly–

License

Spdx

LangChainMIT

ReOpenly–

Language

Primary

LangChainPython

ReOpenly–

Market

Availability

LangChainAvailable worldwide

ReOpenlyAvailable worldwide · Popular in BR · HQ BR

Content

Faq

LangChain8 items

ReOpenly6 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	LangChain	ReOpenly
Core
Tool role	LLM observability / eval	End-to-end ML platform
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	Unknown

Core

Tool role

LangChainLLM observability / eval

ReOpenlyEnd-to-end ML platform

Deployment

Self-hostable / OSS core

LangChain✓

ReOpenly✓

Managed cloud available

LangChain✓

ReOpenly✓

On-prem / VPC deployment

LangChain✓

ReOpenly✓

Observability

LLM tracing / observability

LangChain✓

ReOpenly-

Evaluation (offline / LLM-judge / human)

LangChain✓

ReOpenly✓

Dev

Prompt management + versioning

LangChain✓

ReOpenly-

Tracking

Experiment tracking / model registry

LangChain✓

ReOpenly-

Serving

Model serving / inference endpoint

LangChain✓

ReOpenly✓

Interop

OpenTelemetry / OpenLLMetry compatible

LangChain✓

ReOpenly-

Framework-agnostic

LangChain✓

ReOpenly✓

Gateway

Multi-provider model support

LangChain✓

ReOpenly-

Data

No-train-on-customer-data guarantee

LangChainUnknown

ReOpenlyUnknown

What each one is

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

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

ReOpenly

ReOpenly is an end-to-end platform that handles the infrastructure and training pipeline for fine-tuning open-source models on your dataset, then serving them via hosted API or downloading the weights for self-deployment. Smaller models tuned to specific tasks achieve comparable accuracy to large generalist models at significantly lower cost.

Independently observed

Pricing

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

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 ↗

ReOpenly

from $0.03/GPU/minuteUsage-basedFree tier

Usage-based: $0.03 per GPU minute. New accounts receive welcome credits.

Pay-as-you-go$0.03/GPU minute (training and inference)
- Fine-tune small open models
- Hosted inference
- OpenAI-compatible API
- Auto-save dataset curation
- Real-time training loss visualization

as of 2026-09-08verify ↗

Platform & deployment

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

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

Platforms

Web

LangChain✓

ReOpenly✓

Deployment

Cloud / SaaS

LangChain✓

ReOpenly✓

Self-hosted

LangChain✓

ReOpenly✗

Hybrid

LangChain✓

ReOpenly✗

Integrations

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

In common (1)

OpenAI

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

ReOpenly

3 total - 2 not shared

LangChain
n8n

Independently observed

Still deciding?

LangChain or ReOpenly: 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.