vioscaleAI
Comparison

langflow vs Voiceflow

On the evidence we track, Voiceflow 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.

langflow full profile →Voiceflow full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
langflow62
★Voiceflow81
Score
vioscaleAI score
langflow62 / 100high · 79%
Voiceflow81 / 100medium · 72%
Pricing
Free tier
langflow✓
Voiceflow✓
Model
langflowopen_source
Voiceflowfreemium
Price level
langflowfree
Voiceflowlow
Transparent
langflow✓
Voiceflow✓
Integrations
Count
langflow14
Voiceflow8
Security
Certifications
Disclosure policy
langflow–
Voiceflow✓
Gdpr
langflow–
Voiceflow✓
Hipaa
langflow–
Voiceflow✓
Iso27001
langflow–
Voiceflow✓
Soc2
langflow–
Voiceflow✓
Trust center
Vulnerabilities
Reliability
Sla pct
langflow–
Voiceflow99.95
Status page
langflow–
Voiceflow✓
Adoption
Dependent repos
langflow11
Voiceflow–
Github stars
langflow155,648
Voiceflow–
Activity
Commits last 30d
langflow100
Voiceflow–
Release
Cadence days
langflow6
Voiceflow–
History
langflow20 items
Voiceflow–
License
Spdx
langflowMIT
Voiceflow–
Language
Primary
langflowPython
Voiceflow–
Market
Availability
Content
Faq
langflow8 items
Voiceflow6 items

Capabilities

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

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

Voiceflow provides teams with visual tools to design and deploy AI agents that handle customer support conversations, integrate with existing business systems, and provide analytics on agent performance. Agents are built using workflows, language models, and custom integrations.

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 verify ↗

Voiceflow

Leader
HybridFree tier

Free trial for agencies with transparent usage-based billing; custom enterprise pricing available.

as of verify ↗

Platform & deployment

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

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✗

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
20 total - 18 not shared
  • Zapier
  • Shopify
  • ChatGPT
  • Telegram
  • Alexa
  • NetSuite
  • Salesforce
  • n8n
  • Pinecone
  • Google Calendar
  • Zendesk
  • OpenSearch
  • Google
  • HubSpot
  • Airtable
  • Google Sheets
  • Gmail
  • Twilio
Independently observed
Still deciding?

langflow or Voiceflow: 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.