Does Langflow or Stack AI have a free plan?

Langflow is a paid tool. Stack AI is available for free. Always verify current pricing directly with the vendor.

Langflow vs Stack AI

Q: Can I use Langflow and Stack AI together?

Yes, many teams use both tools together for different purposes. Use the Stack Builder section above to combine Langflow and Stack AI with other tools and save your AI toolkit.

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Updated June 2026

Langflow

Build and deploy AI agents and MCP servers with a visual, customizable framework.

0.0(0)

OPEN_SOURCE

89% data quality

Stack AI

From process to AI agent, in minutes. Orchestrate AI agents with enterprise-grade security.

0.0(0)

FREEMIUM

94% data quality

Trust & Reliability

Langflow

Users:100K-1M

Customers (per vendor):BetterUp, WinWeb, Athena Intelligence

Stack AI

Users:10K-100K

Overall Winner: Langflow

8.0/10 vs Stack AI at 7.2/10

Leads in:

Value for Money

Customizability

AI Comparison Summary

Langflow

8.0

avg score

Stack AI

7.2

avg score

Langflow leads overall — particularly in Value for Money and Customizability.

Based on 6 dimensions

How scores are calculated

Overall Winner

Langflow

8.0 / 10

Langflow

Best For

Rapidly prototyping AI applications for developers

Building agentic workflows with visual tools

Deploying AI agents to production environments

Automating document processing and data extraction

Not Ideal For

Non-technical users seeking a purely no-code solution without any coding exposure

Organizations requiring strict enterprise-grade compliance certifications without explicit mention

Users looking for a fully managed, black-box AI solution without customization needs

Stack AI

Best For

IT and Enterprise Architecture teams

Legal teams automating document review and diligence

Finance departments for reconciliation and research

Customer service operations for instant inquiry resolution

Not Ideal For

Individual users or very small businesses seeking simple

low-cost AI tools

Teams without existing enterprise systems to integrate with

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

Langflow is best for

🤖Automation & Agents8.3

Stack AI is best for

🤖Automation & Agents7.7

Filter by your use case:

Pros & Cons

Langflow

Pros

Open-source and highly customizable with Python
Visual editor simplifies complex AI workflow creation
Supports a wide range of LLMs, vector databases, and tools
Built-in support for AI agents and MCP
Offers both self-hosted and free cloud deployment options

Cons

Requires Python knowledge for advanced customization
No explicit mention of enterprise-grade security certifications like SOC2 or HIPAA
May have a learning curve for non-technical users due to developer-centric nature

Stack AI

Pros

Rapid development of AI agents with no-code/low-code interface
Comprehensive enterprise-grade security and compliance (SOC 2
HIPAA
GDPR)
Flexible deployment options including on-premise and VPC for data control
Extensive integration capabilities with 100+ enterprise tools
Dedicated support from AI experts for enterprise clients
Significant cost efficiency compared to in-house development

Cons

Potential complexity for smaller teams without dedicated IT resources
Higher cost for advanced enterprise features and dedicated support
Requires integration setup for full automation across existing systems

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Output Quality5

Value for Money5

Customizability5

Support & Ecosystem5

Integration Power5

Dimension Comparison

Langflow

8.0

/ 10

Your pick

Stack AI

7.2

/ 10

Dimension Breakdown

Ease of Use

How easy it is to get started and use daily

Langflow

6.0

Stack AI

7.0▲ +1.0

Output Quality

Quality and accuracy of generated results

Langflow

8.0

Stack AI

8.0

Value for Money

Cost vs. features and output quality

Langflow

10.0▲ +3.0

Stack AI

7.0

Customizability

Calculated

Ability to tailor to specific needs

Langflow

9.0▲ +3.0

Stack AI

6.0

Support & Ecosystem

Documentation, community, and support quality

Langflow

7.0

Stack AI

7.0

Integration Power

Calculated

Ability to connect with other tools and workflows

Langflow

8.0

Stack AI

8.0

Calculated = derived from verified integration count and API/open-source signals. AI = LLM-assessed from public website content. Methodology

Task Performance

Langflow

Task

Stack AI

9.0

Workflow Building

8.0

5.0

Trigger Variety

6.0

8.0

Action Library

8.0

6.0

Error Handling

7.0

3.0

Scheduling Capability

5.0

7.0

Conditional Logic

7.0

8.0

Api Connectivity

9.0

6.0

Monitoring Logging

8.0

Multi Step Chains

8.0

Autonomous Execution

7.0

* Task scores (1–10) are algorithmically generated from publicly available data.

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

Which is better, Langflow or Stack AI?

Both are strong options. Langflow has a rating of 0.0/5 (0 reviews), while Stack AI has a rating of 0.0/5 (0 reviews). The best choice depends on your specific use case, budget, and workflow requirements.

Is Langflow cheaper than Stack AI?

Langflow starts at free (open_source model). Stack AI starts at free (freemium model). Use the Cost Calculator above for a detailed estimate.

What are the main differences between Langflow and Stack AI?

Langflow — "Build and deploy AI agents and MCP servers with a visual, customizable framework.". Stack AI — "From process to AI agent, in minutes. Orchestrate AI agents with enterprise-grade security.". Key differences include their pricing models, platform support, integrations, and technical capabilities. See the Feature Comparison table above for a complete side-by-side breakdown.

Can I use Langflow and Stack AI together?

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