Tray.io vs Windmill

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

Updated October 2026

Tray.io

Tray.ai

Enterprise orchestration for data and AI — iPaaS & agents

Enterprise

78% verification coverage

Windmill

Windmill Labs

Code-first orchestration platform for internal software

Open Source

86% verification coverage

Trust & Reliability

Tray.io

Customers (per vendor):Cisco, Airbnb, GitHub +7

GDPR

SOC 2

HIPAA

Windmill

Users:1K-10K

Customers (per vendor):Zoom, Kahoot, Investing.com +7

GDPR

SOC 2

HIPAA

Overall Winner: Windmill

8.0/10 vs Tray.io at 6.0/10

Leads in:

Customization

Support

Integration

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

AI Comparison Summary

Tray.io

6.0

avg score

Windmill

8.0

avg score

Windmill leads overall — particularly in Customization and Support and 2 more.

Based on 7 dimensions

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

Overall Winner

Windmill

8.0 / 10

Tray.io

Best For

Enterprise teams deploying and governing AI agents at scale

Organizations needing unified data and AI integration

IT and business leaders reducing MCP risk and managing AI sprawl

Mid-market to enterprise companies replacing legacy iPaaS solutions

Windmill

Best For

Engineers seeking full code flexibility and control over infrastructure

Teams building and collaborating on internal software

Organizations needing to automate business-critical tasks and automations

Companies requiring self-hostable orchestration for data pipelines and AI workflows

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

Tray.io is best for

🎧Customer Support8.0🤖Automation & Agents7.3📊Data & Analytics4.3

Windmill is best for

🎧Customer Support8.0🤖Automation & Agents7.2✍️Writing & Content6.0

Filter by your use case:

Limitations

Tray.io

Cons

Pricing is not publicly available and requires contacting sales
Free trial requires contacting sales, not self-serve
Advanced on-premise features, SSO, HIPAA, and regional hosting are limited to the Enterprise plan or add-ons
Log retention beyond 7 days is an add-on or Enterprise feature

Windmill

Cons

Free and Open-source tier has a 10 GiB workspace object storage quota
Free and Open-source tier limits email triggers to 100 emails per day
Free and Open-source tier does not include Oracle DB and MS SQL runtimes
Free and Open-source tier lacks advanced observability features like audit logs and unlimited job run retention
Free and Open-source tier does not support SAML & SCIM for SSO

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

Tray.io

6.0

/ 10

Windmill

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?

Tray.io

2.0

Windmill

3.0▲ +1.0

Customization

Calculated

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

Tray.io

6.0

Windmill

10.0▲ +4.0

Support

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

Tray.io

7.0

Windmill

10.0▲ +3.0

Integration

Calculated

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

Tray.io

7.0

Windmill

9.0▲ +2.0

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

Tray.io

9.0▲ +1.0

Windmill

8.0

Performance

Calculated

Latency + throughput speed

Tray.io

5.0

Windmill

8.0▲ +3.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Tray.io

—

Windmill

—

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

Tray.io

Task

Windmill

9.0

Workflow Building

9.0

8.0

Trigger Variety

10.0

9.0

Action Library

8.0

Error Handling

9.0

8.0

Scheduling Capability

9.0

8.0

Conditional Logic

9.0

Api Connectivity

9.0

Monitoring Logging

9.0

Multi Step Chains

9.0

7.0

Autonomous Execution

7.0

2.0

Data Visualization

5.0

Natural Language Queries

3.0

* 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, Tray.io or Windmill?

Both are strong options. Tray.io is a strong choice, while Windmill is a strong choice. The best choice depends on your specific use case, budget, and workflow requirements.

Is Tray.io cheaper than Windmill?

Tray.io starts at free (enterprise model) with a free trial. Windmill starts at free (open_source model). Use the Cost Calculator above for a detailed estimate.

What are the main differences between Tray.io and Windmill?

Tray.io — "Enterprise orchestration for data and AI — iPaaS & agents". Windmill — "Code-first orchestration platform for internal software". 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 Tray.io and Windmill together?

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

Does Tray.io or Windmill have a free plan?

Tray.io is a paid tool with a free trial. Windmill is a paid tool. Always verify current pricing directly with the vendor.

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