Comparison

langflow vs open-webui

No clear leader: langflow (59.9) and open-webui (58.4) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

langflow full profile →open-webui full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

langflow60

open-webui58

Attribute comparison across 2 tools
Attribute	langflow	open-webui
Vioscale score	60 / 100medium · 67%	58 / 100medium · 64%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	free	free
Transparentpricing.transparent	✗	✓
Integrations
Countintegrations.count	12	3
Security
Disclosure policysecurity.disclosure_policy	-	✓
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	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fopen-webui%2Fopen-webui&per_page=100 · Last 12m: 0
Adoption
Dependent reposadoption.dependent_repos	11	0
Github starsadoption.github_stars	153,712	150,014
Activity
Commits last 30dactivity.commits_last_30d	100	100
Release
Cadence daysrelease.cadence_days	7	2
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	MIT	-
Language
Primarylanguage.primary	Python	Python
Market
Availabilitymarket.availability	Available worldwide	-
Content
Faqcontent.faq	8 items	8 items

Score

Vioscale score

langflow60 / 100medium · 67%

open-webui58 / 100medium · 64%

Pricing

Free tier

langflow✓

open-webui✓

Model

langflowcommercial

open-webuicommercial

Price level

langflowfree

open-webuifree

Transparent

langflow✗

open-webui✓

Integrations

Count

langflow12

open-webui3

Security

Disclosure policy

langflow–

open-webui✓

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

open-webuiCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fopen-webui%2Fopen-webui&per_page=100 · Last 12m: 0

Adoption

Dependent repos

langflow11

open-webui0

Github stars

langflow153,712

open-webui150,014

Activity

Commits last 30d

langflow100

open-webui100

Release

Cadence days

langflow7

open-webui2

History

langflow20 items

open-webui20 items

License

Spdx

langflowMIT

open-webui–

Language

Primary

langflowPython

open-webuiPython

Market

Availability

langflowAvailable worldwide

open-webui–

Content

Faq

langflow8 items

open-webui8 items

Features

The capabilities each product documents. These tools do not share a category taxonomy, so this aligns what each vendor states rather than a normalised feature set.

Declared feature comparison
Feature	langflow	open-webui
Agent memory and persistent conversation threads	✓	-
Architecture model	open_source_self_hosted	-
Custom api tool calling and webhook execution	✓	-
Mit or apache permissive oss license	✓	-
Multi model selection openai anthropic local	✓	-
Notion google drive confluence sync connectors	✓	-
Pricing model	free_open_source	-
Rag knowledge base document upload and chunking	✓	-
Team sharing and role based access control rbac	✓	-
Visual drag and drop node canvas builder	✓	-

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

open-webui

An open-source interface that allows users to run AI models on their own hardware or cloud infrastructure, connect to various model providers, and extend functionality through Python scripting. It supports both individual and enterprise deployments with community-driven features and 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 2026-07-31verify ↗

open-webui

Open sourceFree tier

Free open-source. Enterprise options available.

Open SourceFree
- Full AI stack
- Connect any model
- Voice, vision, retrieval, generation, search
- Python extensions
- Community models and tools
- +1 more
EnterpriseContact sales
- SSO
- RBAC
- Audit logs
- Data residency controls
- On-premises deployment
- +1 more

as of 2026-07-31verify ↗

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	open-webui
WebPlatforms	✓	✓
macOSPlatforms	✓	✗
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✓
On-premiseDeployment	✗	✓
HybridDeployment	✓	✓
Air-gappedDeployment	✗	✓

Platforms

Web

langflow✓

open-webui✓

macOS

langflow✓

open-webui✗

Windows

langflow✓

open-webui✗

Linux

langflow✓

open-webui✗

CLI

langflow✓

open-webui✓

Deployment

Cloud / SaaS

langflow✓

open-webui✓

Self-hosted

langflow✓

open-webui✓

On-premise

langflow✗

open-webui✓

Hybrid

langflow✓

open-webui✓

Air-gapped

langflow✗

open-webui✓

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

open-webui

3 total - 1 not shared

Ollama

Independently observed

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