Does Dify or Stack AI have a free plan?

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

Dify vs Stack AI

Q: Can I use Dify and Stack AI together?

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

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

Updated May 2026

Dify

LangGenius, Inc.

Build production-ready AI agents and applications with agentic workflows.

0.0(0)

OPEN_SOURCE

90% 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

Dify

Users:1M-10M

Customers (per vendor):Volvo Cars, Ricoh, Kakaku.com

GDPR

Stack AI

Too Close to Call

Dify (7.5) vs Stack AI (7.2) — difference of 0.3 points

AI Comparison Summary

Dify

7.5

avg score

Stack AI

7.2

avg score

Dify leads overall.

Based on 6 dimensions

How scores are calculated

Overall Winner

Dify

7.5 / 10

Dify

Best For

Building and deploying production-ready AI agents

Developing AI applications with RAG pipelines

Creating complex LLM workflows with a no-code interface

Accelerating AI idea validation and MVP development

Not Ideal For

Users seeking a simple, single-purpose AI chatbot without custom development needs

Non-technical users who prefer fully managed, off-the-shelf AI solutions

Individuals or small teams with no budget for paid tiers and high usage

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

Dify is best for

No task data yet

Stack AI is best for

🤖Automation & Agents7.7

Filter by your use case:

Pros & Cons

Dify

Pros

Open-source platform with a vibrant community
Supports a wide range of major LLM providers and local models
Visual drag-and-drop workflow builder simplifies complex AI logic
Comprehensive debugging tools including single-step and variable inspection
Offers both cloud service and self-hosted deployment options
Includes enterprise-grade security features like SSO and access control

Cons

Free tier has limited message credits and features
Requires technical understanding for advanced customization and self-hosting
No explicit mention of offline mode for cloud service
Future copyright date (2026) suggests potential for unreleased features or a placeholder

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

Dify

7.5

/ 10

Your pick

Stack AI

7.2

/ 10

Dimension Breakdown

Ease of Use

How easy it is to get started and use daily

Dify

7.0

Stack AI

7.0

Output Quality

Quality and accuracy of generated results

Dify

8.0

Stack AI

8.0

Value for Money

Cost vs. features and output quality

Dify

7.0

Stack AI

7.0

Customizability

Calculated

Ability to tailor to specific needs

Dify

7.0▲ +1.0

Stack AI

6.0

Support & Ecosystem

Documentation, community, and support quality

Dify

8.0▲ +1.0

Stack AI

7.0

Integration Power

Calculated

Ability to connect with other tools and workflows

Dify

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

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, Dify or Stack AI?

Both are strong options. Dify 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 Dify cheaper than Stack AI?

Dify 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 Dify and Stack AI?

Dify — "Build production-ready AI agents and applications with agentic workflows.". 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 Dify and Stack AI together?

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