Comparison

langflow vs Voiceflow

On the evidence we track, Voiceflow leads this comparison with a composite score of 67/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

langflow full profile →Voiceflow full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

langflow60

★Voiceflow67

Attribute comparison across 2 tools
Attribute	langflow	VoiceflowLeader
Vioscale score	60 / 100medium · 67%	67 / 100low · 41%
Pricing
Free tierpricing.free_tier	✓	✗
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	free	unknown
Transparentpricing.transparent	✗	✓
Integrations
Countintegrations.count	12	9
Security
Disclosure policysecurity.disclosure_policy	-	✓
Gdprsecurity.gdpr	-	✓
Hipaasecurity.hipaa	-	✓
Iso27001security.iso27001	-	✓
Soc2security.soc2	-	✓
Vulnerabilitiessecurity.vulnerabilities	Count: 33 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=langflow&per_page=100 · Last 12m: 26 · Max severity: CRITICAL	-
Adoption
Dependent reposadoption.dependent_repos	11	-
Github starsadoption.github_stars	153,712	-
Activity
Commits last 30dactivity.commits_last_30d	100	-
Release
Cadence daysrelease.cadence_days	7	-
Historyrelease.history	20 items	-
License
Spdxlicense.spdx	MIT	-
Language
Primarylanguage.primary	Python	-
Market
Availabilitymarket.availability	Available worldwide	Available worldwide · Popular in US
Content
Faqcontent.faq	8 items	-

Score

Vioscale score

langflow60 / 100medium · 67%

Voiceflow67 / 100low · 41%

Pricing

Free tier

langflow✓

Voiceflow✗

Model

langflowcommercial

Voiceflowcommercial

Price level

langflowfree

Voiceflowunknown

Transparent

langflow✗

Voiceflow✓

Integrations

Count

langflow12

Voiceflow9

Security

Disclosure policy

langflow–

Voiceflow✓

Gdpr

langflow–

Voiceflow✓

Hipaa

langflow–

Voiceflow✓

Iso27001

langflow–

Voiceflow✓

Soc2

langflow–

Voiceflow✓

Vulnerabilities

langflowCount: 33 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=langflow&per_page=100 · Last 12m: 26 · Max severity: CRITICAL

Voiceflow–

Adoption

Dependent repos

langflow11

Voiceflow–

Github stars

langflow153,712

Voiceflow–

Activity

Commits last 30d

langflow100

Voiceflow–

Release

Cadence days

langflow7

Voiceflow–

History

langflow20 items

Voiceflow–

License

Spdx

langflowMIT

Voiceflow–

Language

Primary

langflowPython

Voiceflow–

Market

Availability

langflowAvailable worldwide

VoiceflowAvailable worldwide · Popular in US

Content

Faq

langflow8 items

Voiceflow–

Capabilities

Feature-by-feature on the axes that matter for no code agent builders. “-” means undocumented, not absent.

Capability comparison for No Code Agent Builders
Capability	langflow	Voiceflow
Capabilities
Architecture model	Open source self hosted	Managed cloud saas
Rag knowledge base document upload and chunking	✓	✓
Notion google drive confluence sync connectors	✓	-
Visual drag and drop node canvas builder	✓	✓
Multi model selection openai anthropic local	✓	✓
Custom API tool calling and webhook execution	✓	✓
Team sharing and role based access control RBAC	✓	✓
Embeddable iframe or chat widget export	-	✓
Agent memory and persistent conversation threads	✓	✓
Slack or microsoft teams bot deployment	-	-
SOC2 type ii	-	✓
Mit or apache permissive oss license	✓	-
Pricing model	Free open source	-

Capabilities

Architecture model

langflowOpen source self hosted

VoiceflowManaged cloud saas

Rag knowledge base document upload and chunking

langflow✓

Voiceflow✓

Notion google drive confluence sync connectors

langflow✓

Voiceflow-

Visual drag and drop node canvas builder

langflow✓

Voiceflow✓

Multi model selection openai anthropic local

langflow✓

Voiceflow✓

Custom API tool calling and webhook execution

langflow✓

Voiceflow✓

Team sharing and role based access control RBAC

langflow✓

Voiceflow✓

Embeddable iframe or chat widget export

langflow-

Voiceflow✓

Agent memory and persistent conversation threads

langflow✓

Voiceflow✓

Slack or microsoft teams bot deployment

langflow-

Voiceflow-

SOC2 type ii

langflow-

Voiceflow✓

Mit or apache permissive oss license

langflow✓

Voiceflow-

Pricing model

langflowFree open source

Voiceflow-

What each one is

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

langflow

An open-source platform that simplifies building and deploying AI agents and workflow automation with a visual drag-and-drop interface. Supports multiple LLMs, vector databases, and integrations with built-in cloud deployment options.

Independently observed

Voiceflow

Leader

A platform where enterprise teams design, deploy, and monitor conversational AI agents to automate customer interactions across multiple channels while maintaining full control, observability, and compliance.

Independently observed

Pricing

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

langflow

HybridFree tier

Free open-source + free cloud tier

Open SourceFree
CloudFree

as of 2026-07-31verify ↗

Voiceflow

Leader

Hybrid

Usage-based billing for agencies (free trial, no credit card required). Custom enterprise pricing available via demo request.

as of 2026-08-25verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	langflow	Voiceflow
WebPlatforms	✓	✓
macOSPlatforms	✓	✗
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✗
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✗
HybridDeployment	✓	✗

Platforms

Web

langflow✓

Voiceflow✓

macOS

langflow✓

Voiceflow✗

Windows

langflow✓

Voiceflow✗

Linux

langflow✓

Voiceflow✗

CLI

langflow✓

Voiceflow✗

Deployment

Cloud / SaaS

langflow✓

Voiceflow✓

Self-hosted

langflow✓

Voiceflow✗

Hybrid

langflow✓

Voiceflow✗

Integrations

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

In common (2)

Anthropic
OpenAI

langflow

14 total - 12 not shared

LangSmith
LangFuse
Airbyte
Azure
Cassandra
Confluence
Couchbase
Google Cloud
Google Drive
Notion
Serp API
Slack

Independently observed

Voiceflow

Leader

9 total - 7 not shared

Zapier
Shopify
ChatGPT
Telegram
Alexa
NetSuite
Salesforce

Independently observed

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