Haystack vs Dify

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

Data last refreshed August 2026

Haystack

deepset GmbH

Build custom AI agents and RAG applications with open AI orchestration

Open Source

77% verification coverage

Dify

LangGenius, Inc.

The Platform for Production-Ready Agentic Workflows

Freemium

86% verification coverage

Trust & Reliability

Haystack

Uptime:100% (90-day)Status page

Customers (per vendor):Lufthansa Industry Solutions, Accenture, NVIDIA +5

GDPR

SOC 2

HIPAA

Dify

Uptime:99.98%Status page

Users:1M-10M

Customers (per vendor):Maersk, ETS, Anker +1

GDPR

SOC 2

Overall Winner: Dify

8.0/10 vs Haystack at 6.5/10

Leads in:

Performance

Ease of Use

Compliance & Data Protection

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

AI Comparison Summary

Haystack

6.5

avg score

Dify

8.0

avg score

Dify leads overall — particularly in Ease of Use and Compliance & Data Protection and 1 more.

Based on 6 dimensions

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Overall Winner

Dify

8.0 / 10

Haystack

Best For

AI engineers building production-ready LLM applications

Developers needing explicit control over AI agent decisions

Teams integrating diverse AI models and data stores

Enterprises deploying AI workflows with reliability and observability

Dify

Best For

Independent developers building production AI apps

Small teams building production AI apps

Medium-sized teams needing collaboration and higher throughput

Enterprises requiring advanced security, compliance, and dedicated support

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

Haystack is best for

🔍Research5.3🎧Customer Support4.5🤖Automation & Agents4.3

Dify is best for

🎨Image & Design8.0🎧Customer Support8.0🤖Automation & Agents6.9

Filter by your use case:

Limitations

Haystack

Cons

Enterprise features and support are part of a separate paid offering

Dify

Cons

App Version Control is listed as 'Coming Soon' for Professional and Team plans.
Pay by Invoice via bank transfer is not yet available, only for annual Team subscriptions.
Some models cannot be used with message credits and require an own API key.
The Sandbox plan has limited message credits, team members, apps, knowledge documents, and data storage.
The Sandbox plan has a 30-day log history limit.
The Community Edition is for non-commercial projects and complies with Dify Open Source License.
The Service Partner program notes that partners need to understand the dynamic nature of the GenAI space and be ready to grow through occasional challenges.

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

Customization5

Support5

Integration5

Compliance & Data Protection5

Performance5

Planning Quality5

Dimension Comparison

Haystack

6.5

/ 10

Dify

8.0

/ 10

Clear winner

Dimension Breakdown

Ease of Use

How intuitive is onboarding, UI navigation, and day-to-day usage for the target audience?

Haystack

3.0

Dify

7.0▲ +4.0

Customization

Calculated

How much can users tailor workflows, settings, prompts, or outputs to their needs?

Haystack

9.0

Dify

9.0

Support

How strong is the documentation, customer support, community, and learning resources?

Haystack

10.0

Dify

10.0

Integration

Calculated

How well does it connect with other tools, APIs, and workflows?

Haystack

8.0

Dify

8.0

Compliance & Data Protection

Calculated

Compliance certifications and data-protection posture, counted from ten verified signals: SOC 2 Type II, GDPR compliance, HIPAA, WCAG AA/AAA, PII redaction, licensed-only training, a published sub-processor list, a downloadable DPA, not training on user data, and a documented deletion path

Haystack

4.0

Dify

6.0▲ +2.0

Performance

Calculated

Latency + throughput speed

Haystack

5.0

Dify

8.0▲ +3.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Haystack

—

Dify

—

Calculated = derived from structured signals (integration count, API/open-source config, compliance certs, response-time). AI = LLM-assessed from public website content. Methodology

Task Performance

Haystack

Task

Dify

3.0

Role Definition

6.0

3.0

Task Decomposition

6.0

7.0

Agent Coordination

7.0

3.0

Inter Agent Communication

6.0

7.0

Workflow Orchestration

9.0

7.0

Tool Use Delegation

8.0

3.0

State Management

7.0

5.0

Error Recovery

6.0

9.0

Observability

7.0

Scalability Throughput

7.0

3.0

Task Delegation

6.0

3.0

Parallel 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

What are the main differences between Haystack and Dify?

Haystack — "Build custom AI agents and RAG applications with open AI orchestration". Dify — "The Platform for Production-Ready Agentic Workflows". The Features section on this page compares them side by side.

Who is Haystack best for compared with Dify?

Haystack is best for AI engineers building production-ready LLM applications; and for Developers needing explicit control over AI agent decisions. Dify is best for Independent developers building production AI apps; and for Small teams building production AI apps.

How does the pricing of Haystack compare with Dify?

Haystack is open source, includes a free plan. Dify is freemium, includes a free plan, paid plans start at $59/month. Always verify current pricing with the vendor.

Does Haystack or Dify have a free plan?

Haystack is open source. Dify has a free plan. Always verify current pricing with the vendor.

Do Haystack and Dify offer an API?

Haystack offers a public API. Dify offers a public API.

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